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Spiritual Reality, Spiritual Freedom | The Jewish Calendar | Chinuch: Education | A Practical Guide to Shabbos
Rav Dovid's Shiurim | True or False?

Rav Dovid's Shiurim

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All of Rav Dovid's recorded lectures and classes can be found here (regardless of date, topic, length, or level).
27 Av 5768 listen Reciting Hallel with the Community (14:33)
It is preferable to recite Hallel with the community; when doing so, certain verses are repeated.
Sources: OC 422:2-3; MB 422:14-20
26 Av 5768 listen The Brachot for Hallel (14:51)
The blessings recited over Hallel; half- vs. full Hallel; reciting Hallel alone vs. with a minyan.
Sources: OC 422:2; MB 422:14-16
24 Av 5768 listen Performing Mitzvot with Joy, Love, and Awe (13:00)
Part of proper kavanah includes enjoyment of the mitzvah as well as awareness of both love for and awe of Hashem.
Sources: Ch"A 68:13,17,18
21 Av 5768 listen Meraked (2): Sifters vs. Shakers (15:28)
Salt shakers, sugar shakers, drain filters, tea bags, and coffee presses.
Sources: Ch"A Hil. Shabbos 18:3
Dedicated as a zechut for a refuah shleimah for Moshe Chaim ben Rivka.
20 Av 5768 listen Meraked: Sifting on Shabbos (15:50)
Principles, parameters, and examples of the malacha of tochen on shabbos.
Sources: Ch"A Hil. Shabbos 18:1-2
Dedicated as a zechut for a refuah shleimah for Moshe Chaim ben Rivka.
19 Av 5768 listen Proper Placement of Tefillin: Straps, Review, and Summary (16:04)
Proper orientation of tefillin straps; review and summary of halachot in the proper wearing of tefillin.
Sources: OC 37:11; MB 37:37
18 Av 5768 listen Proper Placement of Tefillin shel Rosh (15:19)
Exactly where on the head should the Tefillin shel Rosh be placed?
Sources: OC 37:9-10; MB 37:33
Dedicated as a zechut for a refuah shleimah for Moshe Chaim ben Rivka.
17 Av 5768 listen Proper Placement of Tefillin shel Yad (15:58)
Exactly where on the arm should the Tefillin shel Yad be placed?
Sources: OC 37:1-4,7-8; MB 37:4
Dedicated as a zechut for a refuah shleimah for Moshe Chaim ben Rivka.
14 Av 5768 listen Tochen: Conclusion and Summary (15:06)
Final issues and examples in tochen; summary of all tochen principles.
Sources: Ch"A Hil. Shabbos 17:5-7
13 Av 5768 listen Principles of Tochen: Items Grown from the Ground; Ain tochen achar tochen (15:26)
Tochen only applies to items that grow from the ground. But what exactly grows from the ground?
Sources: Ch"A Hil. Shabbos 17:4; Brachot 6:3
12 Av 5768 listen Principles of Tochen: Utensils Used for Grinding (16:22)
The impact of a grinder or grater with regard to tochen as a malacha.
Sources: Ch"A Hil. Shabbos 17:3
11 Av 5768 listen Tochen: Cutting and Chopping (15:42)
One of the most common applications of tochen is the cutting or chopping of vegetables for salad.
Sources: Ch"A Hil. Shabbos 17:2
10 Av 5768 listen Introduction to Tochen / Grinding (15:09)
The principles and parameters of the malacha of tochen on shabbos; permitted ways of grinding.
Sources: Ch"A Hil. Shabbos 17:1
7 Av 5768 listen Tisha B'Av's Inner Meaning (13:17)
The significance of Tisha b'Av goes beyond fasting and even beyond mourning. What are we to learn from Tisha b'Av?
Sources: Ch"A 133:1;135:16
6 Av 5768 listen Performing Mitzvot with Kavanah (13:46)
Having kavanah -- intentionality, intellectual focus, emotional presence, and spiritual concentration -- is essential for proper mitzvah observance.
Sources: Ch"A 68:9,25
5 Av 5768 listen Tisha b'Av that Falls on Sunday: Overview and Summary (15:23)
Summary and overview of all the special aspects of Shabbos Erev Tisha b'Av.
Sources: Ch"A 135:23
4 Av 5768 listen Havdala on Motzei Shabbos Erev Tisha b'Av (15:22)
On motzei shabbos erev Tisha b'Av, we cannot drink wine. How do we make havdala?
Sources: OC 556; MB 556:1-5
3 Av 5768 listen Maariv on Motzei Shabbos Erev Tisha b'Av (14:57)
Sources: OC 559:1-2; MB 559:1-9
29 Tamuz 5768 listen Shabbos Erev Tisha b'Av: Shalshudos and Maariv (16:05)
On Shabbos, the third meal usual extends past sunset into the night; on Erev Tisha b'Av, we begin fasting at sunset. So what do we do when Erev Tisha b'Av falls on Shabbos?
Sources: OC 552:10;553:2; MB 552:23-24;553:6-7
28 Tamuz 5768 listen Shabbos Erev Tisha b'Av: Meat, Wine, Learning Torah, and Tz"Tz (14:51)
Sources: OC 551:9;553:2,12; MB 553:8-10,12
27 Tamuz 5768 listen Laundry, Haircuts, and Washing for the Shabbos before Tisha b'Av (15:34)
In general, we don't launder or wear clean clothes, take haircuts, or wash during the nine days. What about lichvod shabbat?
Sources: OC 551:3,16; MB 551:32,95-97
26 Tamuz 5768 listen Shabbos Rosh Chodesh Menachem Av (13:20)
On Shabbos Rosh Chodesh Menachem Av, do we read the haftarah for Rosh Chodesh or for the Tlat d'Puranuta? Also: the brachot for the haftorah and musaf on Shabbos Rosh Chodesh.
Sources: OC 425:1-3; MB 425:8,15; OC 284:2; MB 284:4; OC 428:8
25 Tamuz 5768 listen Preserves, Jelly, and Jam: Tzurat HaPri Nikeret (2) (19:19)
The importance of a fruit being recognizable; summary of the laws of brachot for fruit.
Sources: OC 202:7; MB 202:42
22 Tamuz 5768 listen Adding Extraneous Details to a Mitzvah (19:51)
The principle of bal tosif -- adding on to mitzvot and claiming the additions are Torah requirements.
Sources: Ch"A 68:23
21 Tamuz 5768 listen Crushed, Mashed, and Jellied Fruit: Tzurat HaPri Nikeret (16:02)
Does a fruit keep its bracha if the fruit is in a form that is no longer recognizable as the fruit?
Sources: OC 202:7; MB 202:40-44
Dedicated as a zechut for a refuah shleimah for Moshe Chaim ben Rivka.
20 Tamuz 5768 listen Picking Overripe and Underripe Fruits (17:40)
Some fruits are meant to be picked before they are fully grown; others are meant to be picked after they are overripe.
Sources: OC 202:5,9; MB 202:35-37,48-50
19 Tamuz 5768 listen Performing Mitzvot with All the Details (11:44)
Understanding and completing a mitzvah in its entirety.
Sources: Ch"A 68:7-8,12
18 Tamuz 5768 listen Ikkar HaPri: The Main Part of the Fruit (15:27)
Brachot for orange peels, grape leaves, capers, caper leaves, and more -- what is the main part of the fruit or tree?
Sources: OC 202:6; MB 202:38-39
15 Tamuz 5768 listen Brachot for Various Spices (16:14)
What is the bracha for a spice that comes from a tree? Is it a "fruit extract" like juice? Does it matter if it comes from the fruit or some other part of the tree like the root?
Sources: OC 202:16-18; MB 202:77-83
14 Tamuz 5768 listen The Bracha for Sugar (10:52)
Sugar, like fruit, is a product from a tree (or at least a plant). What is its correct bracha?
Sources: OC 202:15; MB 202:73-76; Beur Halacha d.h. "Al HaSukar"
14 Tamuz 5768 listen Overview of the Three Weeks (5:01)
Overview and summary of the history and halachot of the Three Weeks
13 Tamuz 5768 listen Brachot for Juices (2) (16:02)
At what point is juice the "normal" way of eating a fruit? What about stewing or seeping? Plumbs, figs, and oranges; kanata a'da'ta d'hechi.
Sources: OC 202:10; MB 202:52
12 Tamuz 5768 listen Brachot for Juices (1) (15:54)
Juice that seeps or is squeezed from fruit or that comes from crushing or cooking fruit -- what is its bracha?
Sources: OC 202:8,10; MB 202:45-47,51,53
11 Tamuz 5768 listen Ikkar, Tefel, and Kavanah: Brachot on Mixtures of Juices (16:36)
Figuring out the correct bracha on a mixture is complex and includes the intricacies of ikkar v'tefel, kavanah, ta'am, ikkar hapri, and more.
Sources: OC 202:4; MB 202:29-34
8 Tamuz 5768 listen What's the bracha for olive oil? (14:31)
Concepts in brachot related to juices and medicines; also, more on ikkar v'tefel.
Sources: OC 202:4; MB 202:26-28
7 Tamuz 5768 listen Fulfilling Mitzvot with Enthusiasm (9:00)
One who is zealous to be close to Hashem performs mitzvot with enthusiasm and alacrity.
Sources: Ch"A 68:6,14-15
6 Tamuz 5768 listen Brachot on Fruit Seeds (16:18)
Is a seed part of the fruit and hence subject to the same brachah, or is it a different food? Is the seed tafel to the fruit? Why is the tree grown?
Sources: OC 202:3; MB 202:23-25
5 Tamuz 5768 listen Balak -- Prayer that Works (3:11)
Hashem answers all our prayers, granting us whatever we need -- if we focus on the right needs.
4 Tamuz 5768 listen Honey-Roasted or Fried Immature Nuts (15:45)
What is the brachah for an immature, inedible nut that becomes edible when cooked? Concept: natay a'da'ta.
Sources: OC 202:14; MB 202:69-72
30 Sivan 5768 listen Honey-Roasted, Fried, and Raw Nuts (19:30)
What is the brachah for a nut? Concepts: ikkar and tefel; griuta and maalyuta; tzurato nikeret.
Sources: OC 202:13; MB 202:66-68
29 Sivan 5768 listen Cooked and Fresh Fruits (2) (11:28)
What is the brachah for a fresh fruit that is better when cooked? A cooked fruit that tastes better when fresh?
Sources: OC 202:12; MB 202:63-65
28 Sivan 5768 listen Cooked and Fresh Fruits (1) (16:10)
What is the brachah for a fruit that is eaten either cooked or fresh?
Sources: OC 202:2,12; MB 202:20-22,61-62
27 Sivan 5768 listen Brachot on Unripe Fruits (15:28)
What is the brachah for fruit that is sour, bitter because it is unripe? What if it is so bitter that it is inedible?
Sources: OC 202:2; MB 202:17-19
24 Sivan 5768 listen Brachot on Immature Fruit (15:46)
At what point during a fruit's maturation process does it become the "main" fruit that receives the brachah borei pri ha-etz?
Sources: OC 202:2; MB 202:11-15
23 Sivan 5768 listen Raisin Wine (2) (16:36)
Halacha l'ma'aseh: there are four requirements that, if met, make raisin wine pri ha-gefen by all opinions.
Sources: OC 202:11; MB 202:56-60
22 Sivan 5768 listen The Beauty of a Mitzvah (13:30)
Each mitzvah has its own inner beauty, and we should seek to express that beauty in our observance of the mitzvah by performing it in a pleasing manner.
Sources: Ch"A 68:5
21 Sivan 5768 listen Raisin Wine (1) (15:31)
Is the brachah for raisin wine borei pri hagafen or shehakol?
Sources: OC 202:11; MB 202:54-55
20 Sivan 5768 Next Class: Tying and Untying
Knots.
Sources: Source Sheet
20 Sivan 5768 listen When is wine no longer wine? (14:51)
At some point in mixing wine with other liquids, its brachah changes from borei pri ha-gefen. Just when does that happen?
Sources: OC 202:1; MB 202:7-10
17 Sivan 5768 listen What is wine for the purposes of brachot? (15:14)
Does wine still get a special brachah if it is concentrated? Mevushal? Pasteurized? Mixed with other flavors?
Sources: OC 202:1; MB 202:3-6
16 Sivan 5768 listen Becoming a Chasid for Brachos; The Importance of Wine and Fruit (11:58)
Why does wine get a special bracha? Why does fruit from a tree get a different bracha from other plants?
Sources: Shaarei Teshuva 202:19; OC 202:1; MB 202:1-2
15 Sivan 5768 listen Parameters for Brachot on Fruit (14:03)
The general rules for brachot on fruit -- when the brachah is pri ha'etz, pri ha'adamah, and shehakol. Also: what to do if you don't know what brachah to make -- the answer will likely surprise you!
Sources: OC 202:18; MB 202:83-86
14 Sivan 5768 listen Why do we make brachos prior to eating? (14:03)
Eating without saying a bracha prior to eating is like stealing from Hashem.
Sources: Brachot 35a
13 Sivan 5768 listen Chinuch and Birkat HaMazon (15:23)
Chinuch for Birkat HaMazon is unique in that a child can fulfill his father's obligation.
Sources: OC 186:1-2; MB 186:1-7
10 Sivan 5768 listen Chinuch is all about Relationships (14:47)
Chinuch is all about relationships -- relationships with ourselves, with our children, spouses, friends, and with Hashem.
Sources: Ch"A 66:12
9 Sivan 5768 listen Parameters of Chinuch for Mitzvot Lo Ta'aseh (15:37)
Summary of various topics, including: handing a child an issur; handing a child an issur by way of a non-Jew; issurei d'rabbanan for a sick child; and circumstances where it is forbidden to eat (such as prior to kiddush and fast days.
Sources: Ch"A 66:6-10
8 Sivan 5768 listen Communal Obligation for Our Children (15:00)
All Jews are responsible for one another, so there are situations where every adult Jew has an obligation to educate every Jewish child. Two common cases: when a child does an issur for an adult; mitzvot ben adam l'chaveiro.
Sources: Ch"A 66:4-5
3 Sivan 5768 listen Havdala following Yom Tov (15:13)
We make havdala following Yom Tov, but we don't include the candle or spices. Why?
Sources: OC 491:1; MB 491:1-2; OC 298:1; MB 298:1
2 Sivan 5768 listen One Engaged in a Mitzvah is Exempt from Other Mitzvot (17:01)
If you are engaged in performing a mitzvah, you have no obligation to interrupt to perform other mitzvot, even if their time will pass, even if they are "more important."
Sources: Ch"A 68:4
1 Sivan 5768 listen Teshuva and Tikkun: Staying Awake all Night on Shavuos (10:26)
Staying awak all night on Shavuos may compensate for our oversleeping when the Torah was given. Also: handling the morning blessings for those who haven't slept.
Sources: OC 494:1; MB 494:1
29 Iyar 5768 listen Each Mitzvah is Performed on Its Own (7:07)
We do not "bundle" mitzvot together and perform multiple mitzvot at once.
Sources: Ch"A 68:3
29 Iyar 5768 listen A Practical Guide to Shabbos (9): Combing, Dyeing, Spinning, and Weaving (37:11)
Malachot dealing with thread and cloth on shabbos.
Sources: Source Sheet
28 Iyar 5768 listen Yom Yerushalayim 5768 -- 61 Years of Jewish Jerusalem (12:07)
On the 61st anniversary of the establishment of modern Jewish sovereignty in Jerusalem, what should we be thinking with regard to the Holy City?
Sources: Taanit 29a
28 Iyar 5768 listen Naso: Doing Our Jobs for Hashem (2:21)
Every Jew has a designated role in the Jewish people.
Sources: Ps. 94
25 Iyar 5768 listen Chinuch for Mitzvot Lo Ta'aseh (14:22)
The Chayei Adam views chinuch for mitzvot lo ta'aseh as an obligation of every Jew -- and Rav Dovid adds, this mitzvah of chinuch is not just for children.
Sources: Ch"A 66:3
Dedicated as a zechut for Tzipporah Feiga bas Chana Breina that she should have the privilege of raising children in a life of Torah.
24 Iyar 5768 listen The Age of Chinuch; the Age of Understanding (15:16)
Chinuch for mitzvot lo ta'aseh begins as soon as the child understands "no." We protect our children from physical dangers; should we not be equally careful of spiritual dangers?
Sources: OC 343:1; MB 343:3,7-8
24 Iyar 5768 listen BaMidbar: Torah: The Center of Life (1:54)
The Aron Kodesh -- the Holy Ark in which the Torah was kept -- always travelled in the center of the Israelite camp. Of what relevance is this to us today?
23 Iyar 5768 listen Allowing a Child to Violate an Issur (15:41)
A child picks up a forbidden food or begins to perform a forbidden act. Need we stop the child? Reprimand him or her? What if it isn't your child?
Sources: OC 343:1; MB 343:1-3
Dedicated for a refuah shleimah for Chaya Sarah Dinah bas Alta Bas Sheva
22 Iyar 5768 listen Giving a Child an Issur (15:22)
Under no (ordinary) circumstances can you hand a child a forbidden food or an opportunity to violate a Torah prohibition.
Sources: OC 343:1; MB 343:4-6
L'ilui nishmat Zissel Devorah bas Avraham Abish on the occasion of her yahrzeit.
20 Iyar 5768 listen Treating Mitzvot with Respect (16:04)
We must always regard mitzvot respectfully, never putting ourselves above a mitzvah.
Sources: Ch"A 68:2
18 Iyar 5768 listen Chinuch: Giving a Child Forbidden Food (14:48)
In some situations, we need not prevent a child from eating something when he shouldn't.
Sources: OC 269:1; MB 269:1-3
17 Iyar 5768 listen Mitzvah Min HaMuvchar (9:45)
The opportunity to perform a mitzvah in the most ideal fashion later is a legitimate reason to delay its immediate observance.
Sources: Ch"A 68:1
15 Iyar 5768 listen Today's Mitzvah or Tomorrow's Mitzvah? (12:38)
When choosing between two mitzvot, both timing and mitzvah "importance" count.
Sources: Ch"A 68:1
14 Iyar 5768 listen Taking Care of Mitzvot (15:33)
The first principle of mitzvah observance is to never pass up the opportunity to do a mitzvah.
Sources: Ch"A 68:1
11 Iyar 5768 listen Chinuch for Mitzvot Aseh: Summary (17:18)
Educate a child according to his way; even when he ages, he will not depart from it.
Sources: Ch"A 66:1-2
10 Iyar 5768 listen Age Limits on Chinuch (15:36)
We don't teach children before they are ready.
Sources: MB 37:8; OC 106:1; MB 106:5; Ch"A 66:2
9 Iyar 5768 listen Chinuch at Various Ages; Chinuch for Various Mitzvot (15:08)
Chinuch for different mitzvot varies with the age and understanding of the child.
Sources: OC 17:3; MB 17:10; OC 37:3; MB 37:12
8 Iyar 5768 listen Chinuch for Mitzvot Aseh (14:37)
Introduction to chinuch: a look at Kiddush Lavana and Kriat Shema.
Sources: MB 426:1; OC 70:2; MB 70:6-9; Sha'ar HaTziun 70:7
7 Iyar 5768 listen Kiddush Lavana: The Marriage of G-d and Israel (13:24)
Kiddush Lavana customs are all about the joy of the relationship between Hashem and His people, and the joy associated with Kiddush Lavana reflects this relationship.
Sources: OC 426:2,4; MB 426:14-16,21
4 Iyar 5768 listen The Joy of Kiddush Lavana (15:32)
Kiddush Lavana is a time of joy, and many of its halachot and customs reflect this. So can a mourner say Kiddush Lavana? We are supposed to enjoy the light of the moon as part of the reason for the blessing, but do we look at the moon while reciting Kiddush Lavana?
Sources: OC 426:2; MB 426:11-14
3 Iyar 5768 listen Kiddush Lavana and Fast Days (17:18)
Kiddush Lavana is ideally said on Motzei Shabbos or Motzei Yom Tov. What about after a fast day? This shiur discusses Yom Kippur, Tisha B'Av, Asara B'Tevet, Ta'anit Ester, and other Taaniot.
Sources: OC 426:2; MB 426:7-11; Beur Halacha d.h. "v'Lo kodem Yom HaKippurim"
2 Iyar 5768 listen Monthly Dates for Kiddush Levana (14:41)
What are the earliest and latest dates in the monthly lunar cycle when Kiddush Levana can be recited? Why?
Sources: OC 426:3-4; MB 426:17-20
1 Iyar 5768 listen Reciting Kiddush Lavana on Motzei Shabbos (15:02)
The ideal time for Kiddush Lavana is Motzei Shabbos -- within reason. Also: a brief summary of the works of Rav Yosef Caro, plus a bit of angeology.
Sources: OC 426:2-3; MB 426:4-6,18
L'ilui nishmat Moshe ben Hirsh on the occasion of his yahrzeit.
8 Iyar 5768 listen A Practical Guide to Shabbos (8): Shearing and Laundering (50:23)
This class covers the first two malachot involving dealing with cloth on shabbos.
Sources: Source Sheet
30 Nissan 5768 listen Halachic Requirements for Reciting Kiddush Levana (14:09)
Who is obligated to recite Kiddush Levana? Do you have to see the moon to say it? When is it said?
Sources: OC 426:1; MB 426:1-3
28 Nissan 5768 listen The Moon, the Jewish Calendar, and Free Will (16:45)
Introduction to Kiddush Levana -- the mitzvah of sanctifying the new moon.
Sources: OC 428:2; MB 428:3; OC 426:1; MB 426:1
26 Nissan 5768 listen Wonders of the Jewish Calendar (9:16)
The "Ot-Bosh" of Pesach is one of the many wonders of the Jewish Calendar.
Sources: OC 428:3; MB 428:5
6 Nissan 5768 listen Eating Eggs at the Seder (15:48)
Why do we eat eggs at the seder? Why is there an egg on the seder plate?
Sources: Pesachim 10:3; OC 476:2; MB 476:11-12; OC 473:4; MB 473:22-23
Dedicated for a refuah shleimah for Breina bas Frieda.
6 Nissan 5768 listen Tzora'as Bayis (2:37)
What makes "Tzora'as Bayis" -- "leprosy of the house" -- different from other forms of tzora'as?
5 Nissan 5768 listen B'dieved, Havdala Can be Made on any of the Four Cups (14:04)
If you forget to make up for havdala in the second bracha, you have additional opportunities through the meal, the seder, and beyond. Also: washing hands for kiddush.
Sources: OC 473:1; MB 473:5-9
4 Nissan 5768 listen What if you forget Havdala in the Kiddush on Erev Pesach Motzei Shabbos? (15:43)
If you forget to make Havdala in Kiddush, how do you make up for your ommission?
Sources: OC 473:1; MB 473:4
3 Nissan 5768 listen Havdala and Shehechiyanu in Kiddush on Erev Pesach (15:16)
The Kiddush of Pesach on Motzei Shabbos is special in that it includes both Shehechiyanu and Havdala.
Sources: OC 473:1; MB 473:1,3
Dedicated as a zechut l'ilui nishmat Shaul ben Chana z"l for a refuah shleimah for Breina bas Frieda.
2 Nissan 5768 listen Hallel in the Seder; Kiddush and Hallel in Maariv on Pesach (11:58)
In the middle of the Pesach Seder, we recite Hallel; in the middle of Hallel, we interrupt to eat. How can we interrupt Hallel in the middle? Also: There are two special changes in Maariv for Pesach: many communities recite Hallel, and there is no Kiddush in shul.
Sources: OC 487:3-4; Pesachim 10:1; MB 487:10,16
Dedicated for a refuah shleimah for Breina bas Frieda and Tamar bat Sigalit.
28 Adar II 5768 listen Tazria: What is tumah? (2:15)
Just what is tumah, what causes it, and why?
28 Adar II 5768 listen Maariv on Pesach (16:36)
The special evening prayers for Erev Pesach.
Sources: OC 487:1; Brachot 4:5; MB 487:1-9
Dedicated for a refuah shleimah for Breina bas Frieda.
27 Adar II 5768 listen Erev Pesach on Shabbos: Forgotten Chometz (14:07)
On a weekday Erev Pesach, if you forgot to discard some chometz, you burn it up as soon as you remember. What do you do on shabbos?
Sources: OC 444:7-8; MB 444:33-37
Dedicated for a refuah shleimah for Breina bas Frieda.
27 Adar II 5768 listen Tazria: The Impact of Lashon Hara (2:11)
Speaking badly of others impacts our souls in ways we cannot fathom.
26 Adar II 5768 listen Erev Pesach on Shabbos: Remaining Chometz (15:12)
It's shabbos Erev Pesach, I swept up my chometz crumbs, but after halachic 10:00 AM I found more chometz! Now what do I do!?
Sources: OC 444:5,7; MB 444:21,29
Dedicated for a refuah shleimah for Breina bas Frieda and Aliza Sali bas Tsippora.
25 Adar II 5768 listen Erev Pesach on Shabbos: Cleaning up Chometz (13:34)
Chometz crumbs must be swept away after the morning shabbos meal. What if there is actual food -- challah -- left over?
Sources: OC 444:4; MB 444:15-20
Dedicated for a refuah shleimah for Breina bas Frieda, Aliza Sali bas Tsippora, and Zev Velvel ben Shirley.
24 Adar II 5768 listen A Practical Guide to Shabbos (6): Kneading (47:38)
Kneading is a relatively straightforward malacha with application in just a few circumstances.
Sources: Source Sheet
24 Adar II 5768 listen Erev Pesach on Shabbos: Cleaning up Chometz Dishes (15:06)
When Erev Pesach is on shabbos, how do we wash up dishes from the chometz meals?
Sources: OC 444:3; MB 444:11-14; Sha'ar HaTziun 444:4
Dedicated for a refuah shleimah for Breina bas Frieda.
21 Adar II 5768 listen Erev Pesach on Shabbos: Biur and Bitul Chometz (15:14)
In most years, we burn and nullify our chometz on the day before Pesach. When Erev Pesach is on shabbos, when and how do we burn and nullify chometz?
Sources: OC 444:2,6; MB 444:9-10, 22
20 Adar II 5768 listen Erev Pesach on Shabbos: Shalosh Seudos (16:38)
We usually have Shalosh Seudos after Mincha on shabbos with bread. When Erev Pesach is on shabbos, how do we have challah at three shabbos meals?
Sources: OC 444:1; MB 444:5-8
19 Adar II 5768 listen Erev Pesach on Shabbos: Bedikat Chometz (15:27)
When Erev Pesach is on shabbos, we certainly cannot check for chometz by the light of a candle on Friday night. What do we do? And do we make a bracha?
Sources: OC 444:1; MB 444:1-4
18 Adar II 5768 listen Tzom Bechorot (The Fast of the Firstborn) (16:12)
Erev Pesach is the Fast of the Firstborn. When it falls on shabbos, when do the firstborn fast, if at all?
Sources: OC 470:1-3; MB 470:5-7,11
17 Adar II 5768 listen A Practical Guide to Shabbos (5): Grinding (Part 2) -- Medications (1:08:52)
Chazal made a general gezeira regarding medical treatment on shabbos based on the prohibition on grinding. This shiur discusses why and goes into the details of medications and medical treatment on shabbos.
Sources: Source Sheet
17 Adar II 5768 listen Introduction: Shabbos Erev Pesach (14:08)
If Erev Pesach falls on shabbos, it leads to many, many halachic questions. This shiur introduces the topic with a story from the Talmud of one such occurence.
Sources: Pes. 66a
12 Adar II 5768 listen Who was Ahashveirosh? (14:58)
Who was Ahashveirosh who made a 180-day party? Why is it important that he sat on his throne in Shushan, his capitol city; isn't that what all kings do?
Sources: Est. 1:1; Targum, ad loc.
11 Adar II 5768 listen Introduction to the Megilla (14:00)
An introduction to the first few verses of the Megilla as an example of the rabbinic exegetic process.
Sources: Est. 1:1; Rashi, Ebn Ezra, Rishon LeTzion, Targum, ad loc.
10 Adar II 5768 listen Going Away for Purim (13:45)
If you must be away for Purim such that you won't have an opportunity to hear the megilla at the right time, what should you do?
Sources: OC 688:7-8; MB 688:19-23
9 Adar II 5768 listen Purim Meshulash: "Three-Day Purim" (15:43)
When Shushan Purim falls on Shabbos, Jews in walled cities celebrate Purim for three days!
Sources: OC 688:6; MB 688:14-18
6 Adar II 5768 listen Ben Ir SheHalach L'Krach (13:51)
A dweller of a walled city who goes to a village for Purim or vice versa... when does he read the Megilla? Also: Two Biblical walled cities of questionable status.
Sources: II Sam. 20:14; Judges 16:2; OC 688:5; MB 688:12-13
5 Adar II 5768 listen When You are Unsure when to Read... (16:13)
Halachot for situations when you are unsure whether to observer Purim on the 14th or 15th of Adar, including questionably walled cities, and an introduction to people who travel to or from walled cities for Purim.
Sources: OC 688:4-5; MB 688:9-12; Beur Halacha d.h. "Ben ir she'halach l'krach"
4 Adar II 5768 listen Modern Jerusalem and Other Cities (14:08)
The status of various cities -- modern Jerusalem, Shushan, Jaffa, Tiberias, Hebron, and more.
Sources: OC 688:2-3; MB 688:5-8
3 Adar II 5768 listen A Practical Guide to Shabbos (5): Grinding (Part 1) (53:49)
An introduction to the malacha of grinding, including its application to a variety of foods and circumstances.
Sources: Source Sheet
3 Adar II 5768 listen Purim and Shushan Purim (14:32)
Most of us celebrate Purim on the fourteenth of Adar, but certain cities, like Shushan, celebrate on the fifteenth.
Sources: Est. 9:17-23; OC 688:1; MB 688:1,3-4
2 Adar II 5768 listen Leap Year (Part 2) (9:36)
The halachic implications of the added month in a leap year: Bar Mitzvah, bechor, rentals, mourning, korbanot, and more.
Sources: OC 55:9; Erchin 31b; Bava Me. 102a; YD 391:2; Shach YD 57:43
28 Adar I 5768 listen Leap Year (Part 1) (15:12)
During a leap year, just how long is a "year," and what are the halachic implications of the added month?
Sources: Bava Me. 102a; Lev. 25:30; Deu. 15:20; Erchin 31b; Tosefta Parah 1; Ned. 63a; Shach YD 227:15
27 Adar I 5768 listen Pekudei: Learning from our Rabbis (2:17)
When constructing the mishkan Betzalel knew things which Moshe hadn't even told him. How did he know, and what is the lesson for us?
27 Adar I 5768 listen Maintaining Honesty and Integrity in Everything We Do (15:29)
Keeping our promises is not just about our interpersonal and business relationships; it is a spiritual necessity for the entire Jewish People and the entire world. We must always be of one voice in heart and speech.
Sources: Sha'arei Teshuva 3:183; Zeph. 3:13; Brachot 2:2
Dedicated in honor of Rabbi Hager, the rabbi of the Wall Street Synagogue, and in honor of Yoel ben Ephraim Mordechai.
26 Adar I 5768 listen Honesty in Business (14:45)
We must use a hin tzedek in all of our business dealings -- whether literally or figuratively.
Sources: CM 204:7; Shabb. 31a; Sha'arei Teshuva 3:182
26 Adar I 5768 listen Pekudei: Loving Hashem's House (2:17)
We should love Hashem's House -- the Mishkan and Beis HaMikdash -- like we love our own homes.
24 Adar I 5768 listen Keeping Promises (17:02)
Part of emes entails being true and honest, and that means keeping our promises.
24 Adar I 5768 listen VaYakhel: Emotional Wisdom (2:05)
Betzalel and all the artisans and engineers for the construction of the Mishkan needed to have a "wise heart." We normally think of "wisdom" as an intellectual faculty. Just what is a "wise heart"?
Sources: Ex. 35:10
22 Adar I 5768 listen Hin and Hen Tzedek: Say Only What You Mean (13:06)
We may only possess accurate weights and measures. Based on the same verse, Chazal admonish us: say only what you mean.
22 Adar I 5768 listen VaYakhel: Give Generously with a Full Heart (2:01)
Parshat VaYakhel demonstrates three types of people who give tzedakah.
Sources: Ex. 35:5
21 Adar I 5768 listen The Difference between "Emes" and "Truth" (15:17)
Changing our words or deviating from the truth does not mean that we are deviating from emes. A proper understanding of emes at times includes deviations from what in English is called "truth."
Sources: Emet l'Ya'akov (Rav Yaakov Kamenetsky zt"l) Breishit 27:12
21 Adar I 5768 listen VaYakhel: Emunah, Shabbos, and the Mishkan (2:05)
The juxtaposition of the sanctity of Shabbos, even in the face of the tremendous mitzvah of construction of the Mishkan, teaches us several important principles in emunah and bitachon.
Sources: Ex. 35:2
20 Adar I 5768 listen A Practical Guide to Shabbos (7): Cooking (Review) (1:02:01)
Using a series of questions and scenerios, this class reviews the various halachot of cooking as covered previously in the shabbos series.
Sources: Source Sheet
19 Adar I 5768 listen Deviating from Truth is Sometimes Permissible, but it is Always Dangerous (14:15)
Sometimes we can deviate from the truth, so long as we stick within appropriate halachic boundaries. But making a habit of such deviation is dangerous.
Sources: Yev. 63a; Yam Shel Shlomo (Maharshal) Yevamot 6:46; Gen. 27:19; Rashi, ad loc.
15 Adar I 5768 listen Different Categories of Untruth (13:08)
Rabbeinu Yonah differentiates among different types of untruth, distinguishing between that which is permitted and that which is forbidden. But even the permitted should be avoided, as it accustoms our tongues to falsehood.
Sources: Sha'arei Teshuva 3:181
14 Adar I 5768 listen What do you do if your Tefillin fall off? (14:41)
If Tefillin come off or out of place, do you make a new bracha before putting them back?
Sources: OC 25:12; MB 25:44-46; OC 8:14; MB 8:38
13 Adar I 5768 listen A Practical Guide to Shabbos (7): Cooking (Part 5) -- Cooking on Your Plate (1:09:09)
In certain circumstances, food can cook even in a kli sheini or kli shlishi.
Sources: Source Sheet
13 Adar I 5768 listen Deviating from Truth (14:21)
There are times when we are allowed to deviate from the truth, but knowing how and when is generally extraordinarilly difficult to judge.
Sources: Ketubot 17b; Yev. 65b; Sha'arei Teshuva 3:181
Dedicated l'ilui nishmat Geula Yehudis Malka Rivka bas Chaim Mordechai on the occasion of her yahrzeit.
9 Adar I 5768 listen Distance Yourself from Falsehood (16:08)
We have two mitzvot regarding truth and falsehood: "Do not lie" and "Distance yourself from falsehood. Why two mitzvot and what is the difference between them?
Sources: Exo. 23:6-8; Shevuos 30b; Yad Ketana Ch. 10 Deot 1:1
8 Adar I 5768 listen Review: Shema through Aleinu (15:10)
A review, summary and overview of halachot of shacharit, from Shema through Aleinu.
7 Adar I 5768 listen Review: Wakeup through Shema (15:32)
A review, summary and overview of halachot of morning conduct, from waking up through the recitation of Shema.
6 Adar I 5768 listen Dating Documents During a Leap Year (9:15)
How do we record the date in halachic documents during the two months of Adar in a leap year? What about the two days of Rosh Chodesh? Also: a general overview of the Jewish Calendar.
Sources: OC 427:1; MB 427:1-3
6 Adar I 5768 listen Kaddish: Reasons and Rules (6:11)
Why is kaddish recited by mourners? The Midrash of Rabbi Akiva / Rabbi Yochanan ben Zakkai and the merit of kaddish. Also: important halachot when multiple people recite kaddish together.
Sources: Eliyahu Zuta Parsha 17; Pitchei Teshuva YD 376:6
5 Adar I 5768 listen Rosh Chodesh: Leap Year, Part 2 (9:30)
In a leap year, are there any customs associated with Purim Katan, the 14th and 15th of Adar I?
Sources: OC 697:1; MB 697:3-5; Shaarei Teshuva 697:2
30 Shevat 5768 listen Rosh Chodesh: Leap Year, Part 1 (9:24)
In a leap year, are events observed in Adar 1 or Adar 2?
Sources: OC 697:1; MB 697:1-3 Shaar HaTziun 697:2
29 Shevat 5768 listen Borrer (12): Broken Matzos (4:45)
Choosing whole matzos from among broken matzos is a problem of borrer that presents itself every Pesach.
Sources: Ch"A Hil. Shabbos 16:14
29 Shevat 5768 listen Torah Reading on Rosh Chodesh (9:30)
The order of the Torah reading, the reason for four aliyot, and the division of the aliyot on Rosh Chodesh.
Sources: OC 423:1-2; MB 423:1-3
29 Shevat 5768 listen A Practical Guide to Shabbos (7): Cooking (Part 4) -- Cooking in Pots off the Fire (1:02:55)
A review of many of the halachot of bishul, including chazara in detail; cooking in hot food off the fire.
Sources: Source Sheet
28 Shevat 5768 listen Borrer (11): Waiter, there's a fly in my soup! (16:49)
Dealing with common situations of borrer that occur during a meal: removing waste from food and peeling.
Sources: Ch"A Hil. Shabbos 16:12-13,15
25 Shevat 5768 listen Mishpatim: Meat, Milk, and Kindness (2:08)
Parshat Mishpatim is almost entirely about mitzvot ben adam l'chaveiro -- human interactions and civil law. So why, in the middle of the partsha, are we told not to mix milk and meat?
24 Shevat 5768 listen Borrer (10): Curdling Milk (12:53)
According to the Chayei Adam, separating the parts of milk -- curds, whey, cream -- is all considered borrer.
Sources: Ch"A Hil. Shabbos 16:11
23 Shevat 5768 listen Borrer (9): Straining Eggs (16:50)
In yesterday's shiur (Borrer 8), we struggled to understand the confusing case of separating egg yolk and white by way of a mustard strainer. In today's shiur, Rav Dovid shares his chidushim that make sense of this difficult case.
Sources: Ch"A Hil. Shabbos 16:10; Shabbat 20:2; Rav Ovadia M'Bartenura, ad loc.; Shabbos 139b-140a; Rashi, ad loc.; OC 319:15; MB 319:58; Shaar HaTziun 319:47,49
22 Shevat 5768 listen Borrer (8): Strainers and Filters (15:31)
Strainers and filters can be used on shabbos in some circumstances but not others. This is an area where there is a very fine line between mutar l'chatchila and chayav chatas, and most of us often don't understand the differences.
Sources: Ch"A Hil. Shabbos 16:10
22 Shevat 5768 listen A Practical Guide to Shabbos (7): Cooking (Part 3) -- Insulating Hot Food (1:02:58)
Practical applications of the malacha of cooking continued, including hatmana (insulating) and the use of a "buffet cart" for warming food.
Sources: Source Sheet
21 Shevat 5768 listen Borrer (7): Separating a Liquid from Sediment (12:07)
Is there a permitted way to pour off a liquid from unwanted sediment or to remove fat from gravy on shabbos? How do you avoid borrer in such cases?
Sources: Ch"A Hil. Shabbos 16:9
21 Shevat 5768 listen Mishpatim: Holiness in Our Interactions with Each Other (2:13)
Right after the revelation of Divine Law in the Ten Commandments, we are given a long set of civil laws regarding many aspects of human interactions. What is the connection?
11 Shevat 5768 listen B'Shalach: Torah and Mitzvos (1:53)
If Hashem fought for Am Yisrael at the Red Sea, how is it that Amelek were able to attack immediately thereafter?
Sources: Ex. 17:8
11 Shevat 5768 listen Borrer (6): Filtering Liquids with a Strainer (14:37)
Even though it is a utensil made for separating, under some circumstances an actual strainer may be used on Shabbos.
Sources: Ch"A Hil. Shabbos 16:8
Dedicated l'ilui nishmat Aharon ben Meir on the occasion of his yahrzeit.
10 Shevat 5768 listen Borrer / Sorting (5): Filtering Drinkable Liquids (10:45)
Some liquids may be strained with a handkerchief without violating borrer, but straining others is an issur d'oraita.
Sources: Ch"A Hil. Shabbos 16:7
10 Shevat 5768 listen B'Shalach: Justice (2:48)
In this brief yahrzeit l'chaim, Rav Dovid explains how conflicting midrashim on the drowning of the Egyptians in the Red Sea provides insights into our relationship with this World, the Next World, and Justice.
9 Shevat 5768 listen Borrer / Sorting (4): Separating Two Foods (15:30)
Borrer also applies when separating between two foods when one is desirable and one is not.
Sources: Ch"A Hil. Shabbos 16:5
9 Shevat 5768 listen B'Shalach: The Ultimate Redemption (1:30)
Chazal teach that parshas B'Shalach proves the ultimate ressurection of the dead at the time of the Redemption. What is the proof, and how should we prepare?
Sources: Ex. 15:1
8 Shevat 5768 listen Borrer / Selecting (3): Separating Bad Fruits (14:50)
Applying the rules of borrer to a common shabbos situation: separating good fruit from bad, or wilted lettuce from crispy.
Sources: Ch"A Hil. Shabbos 16:4,6
Given as a zechut for a refuah shleima for Tamar bat Sigalit.
8 Shevat 5768 listen A Practical Guide to Shabbos (7): Cooking (Part 2) -- Applying the Rules (1:11:42)
This class goes through many of the practical aspects involved in having hot food to eat on shabbos, including blechs, crockpots, hotplates, shehiya, chazara, and reheating.
Sources: Source Sheet
3 Shevat 5768 listen Borrer / Selecting (2): Conditions of Borrer (12:55)
For borrer to be permissible, three conditions must be met: the separation must be done by hand, by taking good from bad, and for immediate use. The Chayei Adam adds another condition: taking the lesser quantity from the greater.
Sources: Ch"A Hil. Shabbos 16:1
2 Shevat 5768 listen Zoreh / Winnowing; Borrer / Selecting: Introduction (15:39)
The malacha of zoreh (winnowing) has very few practical implications today. Borrer (selecting or sorting) is among the most difficult malachot to apply because it is so subtle.
Sources: Ch"A Hil. Shabbos 15; Shabb. 74a
1 Shevat 5768 listen Blessings for Hallel on Rosh Chodesh (13:30)
Halachic details regarding the proper blessing for the recitation of half-hallel, including when to make and not make a bracha on hallel.
Sources: OC 422:2; MB 422:14-16
Given as a zechut for a refuah shleima for Tamar bat Sigalit.
29 Tevet 5768 listen Accidental Inclusion of Shabbos or Rosh Chodesh in a Weekday Amidah (14:57)
What if you accidentally include ya'aleh v'yavo in a weekday amidah?
Sources: OC 108:12; MB 108:37-38
26 Tevet 5768 listen Making Up for a Forgotten Ya'aleh v'Yavo (12:57)
If ya'aleh v'yavo is forgotten on Rosh Chodesh at mincha, can you make up for it in the following ma'ariv?
Sources: OC 108:11; MB 108:34-36
25 Tevet 5768 listen Making Up for Mistakes in the Amidah (10:21)
We previously learned that you can make up for a missed shabbos amidah in the subsequent weekday amidah. But what if you mistakenly davened a weekday amidah on shabbos -- can you correct that error in a subsequent weekday amidah?
Sources: OC 108:11; MB 108:32-33
24 Tevet 5768 listen Va'Eira: Freedom and Free Will (27:21)
If Hashem hardens Pharoah's heart so that he doesn't let the Jewish people go, how is it fair that Hashem then punishes Pharoah for not letting the Jewish people go? If Pharoah has no free will, how is he responsible?
22 Tevet 5768 listen Tashlumin Summary and Recap (16:55)
A review of all the halachot we have learned with ragard to making up for missed prayers, and a recap of the examples found in the Shulchan Aruch.
In memory of Tzippora bat Meir on the occastion of her yahrzeit.
20 Tevet 5768 listen Shmot: Measure for Measure (1:39)
According to Rashi, Moshe rabbeinu makes his first mistake as a leader by speaking lashon hara about the Jewish people. The Chofetz Chaim explains just how Moshe is punished for this act.
Sources: Exo. 4:1-7; Rashi, ad.loc. vs. 3 and 6
19 Tevet 5768 listen Tashlumin for Shabbos on a Weekday (16:49)
If you miss mincha on shabbos, can you make up for it with a second ma'ariv after shabbos?
Sources: OC 108:9-10; MB 108:27-30
18 Tevet 5768 listen Tashlumin for a Weekday on Shabbos (14:12)
If you miss mincha on erev shabbos, can you make up for it with a second ma'ariv shabbos amidah? Also: Clarification on who is a meizid and instructions for tashlumin for chozrim b'teshuva.
Sources: OC 108:9; MB 108:25-27
In memory of Aharon ben Leib HaCohen on the occasion of his yahrzeit.
17 Tevet 5768 listen Tashlumin for Musaf and Meizid (15:33)
There are special halachot regarding a missed musaf and tashlumin. Also, one who intentionally skips a tefilla cannot make up for it.
Sources: OC 108:6-8; MB 108:20-24
15 Tevet 5768 listen Tashlumin in the Following Tefilla (14:34)
Can you daven a make-up prayer for more than one missed tefilla? What if you forget your tashlumin? Can you daven a tashlumin at musaf?
Sources: OC 108:4-5; MB 108:16-19
12 Tevet 5768 listen Times for Tefilla and Tashlumin (15:48)
The proper time for a make-up amidah is during the following prayer. But what time is the following prayer? And is this l'chatchila or b'dieved?
Sources: OC 108:3; MB 108:15
11 Tevet 5768 listen Tashlumin for a Missed Mincha or Ma'ariv (14:05)
The halachot of making up for a missed mincha or ma'ariv.
Sources: OC 108:2; MB 108:10-14
9 Tevet 5768 listen What if you forget aneinu on a fast day? (14:55)
One who forgets aneinu on a fast day does not go back to insert it. But the halacha is quite different for an individual as compared to the shaliach tzibbur.
Sources: OC 119:4; MB 119:16-19
In memory of Tamar Rivkah bas Sheur Zalman on the occasion of her yahrzeit.
9 Tevet 5768 listen A Practical Guide to Shabbos (7): Cooking (Part 1) (1:02:26)
The malacha of cooking is very complex. While the rules are straightforward, there are many, many rules to remember and apply -- more than any other malacha.
Sources: Source Sheet
8 Tevet 5768 listen Tashlumin for a Missed Shacharit, Part 2 (15:04)
We make up for a missed shacharit by davening mincha twice, but what is the best way to go about that?
Sources: OC 108:1; MB 108:4-9
5 Tevet 5768 listen Tashlumin for a Missed Shacharit (13:24)
One who accidentally misses shacharit makes up for the lost prayer by davening mincha twice.
Sources: OC 108:1; MB 108:1-3
4 Tevet 5768 listen Davening Two Amidahs in a Row (13:02)
Sometimes we daven the amidah twice in a row, such as davening shacharit followed immediately by musaf if you aren't in shul on shabbos. This shiur introduces some of the parameters for such a situation, such as how long to pause in between.
Sources: OC 105:1; MB 105:1-4
3 Tevet 5768 listen Zot Chanukah (8:51)
On the eigth day of Chanukah, we read "Zot Chanukah", the dedication of the mishkan, including the lighting of the menorah. There is more to this then the obvious similarity of the events.
Sources: OC 684:1; Num. 7:22-8:4; Rashi, Num. 8:1; Yalkut Shimoni B'ha'alotcha 247:719
In memory of Moshe ben Chaim on the occasion of his 36th yahrzeit.
1 Tevet 5768 listen The Aliyot for Rosh Chodesh Chanukah (6:33)
On Rosh Chodesh Chanukah, we read from two sifrei Torah. But how do we divide up the aliyot between Rosh Chodesh and Chanukah? Also: what if we accidentally take out only one sefer Torah or begin reading from the wrong sefer Torah?
Sources: OC 684:3; MB 684:12-18; Beur Halacha d.h. "v'Im Ta'ah; v'Im Tzarich"
2 Tevet 5768 listen A Practical Guide to Shabbos (4): Winnowing, Selecting, and Sifting (Part 3) (1:01:04)
Common applications of borrer and how to handle them.
Sources: Source Sheet
25 Kislev 5768 listen Oils and Wicks for Chanukah Candles (14:25)
Oils and wicks that are prohibited for shabbos candles are permissible for Chanukah candles. What is the difference between Chanukah and shabbos that we treat the halacha of their candles differently?
Sources: OC 673:1; MB 673:1
19 Kislev 5768 listen Chanukah and the Sale of Yosef (13:16)
While we don't know exactly when Yosef was sold into slavery, there are hints that he was sold on Chanukah.
Sources: Gen. 37:24-26; Shabb. 22a; Sofrim 18:3; Ps. 30; Mal. 3:14
18 Kislev 5768 listen Dosh / Threshing (Part 10): Sponges and Absorbed Liquids (15:49)
If squeezing liquid from a cloth is a form of dosh, sponges cannot be used on shabbos. How do we wash dishes? Clean a counter of table? Also: straining.
Sources: Ch"A Hil. Shabbos 14:13,15-16
17 Kislev 5768 listen Dosh / Threshing (Part 9): Melting Solids; Cleaning up Spills (15:53)
Applications of dosh related to melting include cracking ice, melting butter, and dissolving sugar. Also: cleaning up spills.
Sources: Ch"A Hil. Shabbos 14:11-12
16 Kislev 5768 listen Dosh / Threshing (Part 8): Squeezing Honey from Honeycomb (9:54)
Beehives are categorized as something that "grows from the ground," which makes honeycomb subject to dosh. This shiur details the halachot involved. As usual, we extract principles that are applicable elsewhere in dosh.
Sources: Ch"A Hil. Shabbos 14:10
11 Kislev 5768 listen Torah, Marriage, and Love (1:09:26)
Join Rav Dovid for a "Lunch and Learn" discussion of the Torah view of Marriage and Love. Rav Dovid gives a Torah perspective on relationships, including reflections on his own marriage, in this seminar discussion designed to bring the Torah view down to a practical level that we can all apply either in marriage or in preparation for marriage. The divorce rate in the U.S. is over 50%, but in the Torah world it is 6%. Just what is the secret of a successful marriage?
11 Kislev 5768 listen Dosh / Threshing (Part 7): Juice that Seeps from Grapes on Shabbos (13:42)
The juice that seeps from grapes on shabbos is rabbinically prohibited. However, you can soak the grapes in existing wine and enjoy the new wine that comes out. NOTE: This lecture mentions a chasid who drank Southern Comfort. That story goes back to the 1980s; Southern Comfort is not considered kosher today due to wine-based additives.
Sources: Ch"A Hil. Shabbos 14:14
10 Kislev 5768 listen Dosh / Threshing (Part 6): Nursing (13:24)
Nursing is obviously permissible on Shabbos in spite of the dosh issues it presents. How are those issues handled when they come up? Also: the reason why cows are considered as growing from the ground; general parameters of pikuach nefesh as illustrated by several actual cases.
Sources: Ch"A Hil. Shabbos 14:9
Dedicated as a zechut for Tzipporah Feiga bas Chana Breina that she should have the privilege of raising children in a life of Torah.
10 Kislev 5768 listen A Practical Guide to Shabbos (4): Winnowing, Selecting, and Sifting (Part 2) (1:03:53)
Common applications of borrer and how to handle them.
Sources: Source Sheet
9 Kislev 5768 listen Dosh / Threshing (Part 5): Milking a Cow (13:50)
Cows and other animals are considered as growing from the ground, and this means that milking a cow is considered to be removing food (milk) from its natural container (cow). What are the parameters of dosh in this context?
Sources: Ch"A Hil. Shabbos 14:8
5 Kislev 5768 listen Dosh / Threshing (Part 4): Squeezing Out Liquids Absorbed in Foods (12:24)
Liquids absorbed in food, like oil in a fried food, have a different status from liquids naturally in food or even brine in pickles.
Sources: Ch"A Hil. Shabbos 14:6-7
Dedicated to Yechiel Isser ben Tuvia on the occasion of his yahrzeit.
4 Kislev 5768 listen Dosh / Threshing (Part 3): Squeezing Lemons and Pickles (15:40)
Is there a permitted way to squeeze lemon onto fish or into tea? To make lemonade? Can I squeeze the excess brine from my pickles?
Sources: Ch"A Hil. Shabbos 14:4-5
3 Kislev 5768 listen Dosh / Threshing (Part 2): Squeezing Fruits for Juice (13:13)
The first toldah of dosh is squeezing fruits for juice. How is this dosh? It is the process of removing the desired part (the juice) from its natural container (the fruit).
Sources: Ch"A Hil. Shabbos 14:2-3
3 Kislev 5768 listen A Practical Guide to Shabbos (4): Winnowing, Selecting, and Sifting (Part 1) (1:02:06)
Winnowing, selecting, and sifting together constitute "borrer", one of the most detailed and challenging malachot to understand and master. The distance between a permitted act and a Torah prohibition, says the Mishna Brura, is but a hair's breadth in width.
Sources: Source Sheet
2 Kislev 5768 listen Dosh / Threshing -- Introduction (10:57)
The av malacha, principles, and several examples of dosh (threshing).
Sources: Ch"A Hil. Shabbos 14:1
28 Cheshvan 5768 listen Birkat HaMazon on Motzei Shabbos / Erev Rosh Chodesh (15:10)
Birkat HaMazon on shabbos when Rosh Chodesh falls on Sunday (part 2). Do we include r'tzei for shabbos, Ya'aleh v'Yavo for Rosh Chodesh, or both?
Sources: OC 188:10; MB 188:33-34
27 Cheshvan 5768 listen Rosh Chodesh on Sunday (Part 1) (8:33)
When Rosh Chodesh falls on Sunday, there is a special haftara reading. Also: Birkat HaMazon on shabbos when Rosh Chodesh falls on Sunday (part 1).
Sources: OC 425:2; MB 425:9; OC 188:10; MB 188:32
26 Cheshvan 5768 listen Davening before MiSheYakir (16:27)
What should you do if you need to daven early in the morning, prior to MiSheYakir (the earliest time for shema), which is much before netz (the earliest time for the amidah).
Sources: OC 89:8; MB 89:38-42; Beur Halacha d.h. "Bsha'at HaDchak"
Dedicated to Ariella Rivka bas Avroham, may her neshoma have an aliya.
25 Cheshvan 5768 listen Activities before Dawn; Activities before Davening (11:27)
It is a bit surprising to learn that it is permissible to take a haircut or a bath prior to dawn, even within the half hour approaching the time to daven. Why is this?
Sources: OC 89:7; MB 89:36-37; OC 232:2
24 Cheshvan 5768 listen A Practical Guide to Shabbos (3): Gathering and Threshing (1:30:39)
The conclusion of "Plowing, Planting, and Picking": Dealing with Houseplants; the next group of agricultural malachot: gathering and threshing.
Sources: Source Sheet
24 Cheshvan 5768 listen Learning before Davening; Learning before Dawn (12:56)
Being careful about davening shacharit at the right time is of such high priority that one shouldn't even learn Torah prior to davening. But what about learning at night, or waking up before dawn?
Sources: OC 89:6; MB 89:30-35
21 Cheshvan 5768 listen Eating before Amud HaShachar (14:18)
We have learned that we cannot eat prior to davening Shacharit, but what about eating prior to dawn?
Sources: OC 89:5; MB 89:27-29
20 Cheshvan 5768 listen Eating or Drinking to Improve Kavanah in Davening (13:15)
Though in general we do not eat or drink anything prior to Shacharit, there are many leniencies that allow one to do so.
Sources: OC 89:3-4; MB 89:22-26
19 Cheshvan 5768 listen Tending to Your Needs, Eating, or Drinking before Davening (16:08)
Just as we don't go to greet friends, so too we don't tend to our own business or even eat or drink prior to davening.
Sources: OC 89:3; MB 89:17-22
18 Cheshvan 5768 listen Going to See Others before Going to See Hashem (13:33)
An midrashic overview of the priority of greeting Hashem before greeting others; the halachot of going to a friend's home prior to going to shul and of responding to someone else's greeting.
Sources: OC 89:2; MB 89:12-16
17 Cheshvan 5768 listen A Practical Guide to Shabbos (2): Plowing, Planting, and Picking (1:10:09)
This class covers the first three agricultural malachot: plowing, planting, and picking.
Sources: Source Sheet
17 Cheshvan 5768 listen Greeting Others before Greeting Hashem (14:18)
Upon awakening in the morning, our priority is to daven. As such, there is a prohibition on stopping to see a friend before davening.
Sources: OC 89:2; MB 89:8-12
15 Cheshvan 5768 listen Davening too Late (After the Fourth Hour of the Day) (13:24)
The shacharit amidah must be completed by the fourth hour of the day. What if that time has passed and you haven't yet said the amidah?
Sources: OC 89:1; MB 89:5-7
13 Cheshvan 5768 listen Davening the Amidah too Early (Before MiSheYakir) (12:03)
The earliest time for the amidah is netz hachama ("third dawn"). What if you can't wait until then and need to daven early?
Sources: OC 89:1; MB 89:2-4
12 Cheshvan 5768 listen What is the earliest time for Amidah? (14:20)
The amidah follows different times from the shema. What are these times, and why are they different? What if you need to daven early? Also: a review and overview of the times for shema; what to do if you need to put on tallis and tefillin prior to misheyakir.
Sources: Brachot 24a; OC 89:1; MB 89:1
11 Cheshvan 5768 listen What if you miss the time for Shema? (16:59)
If you are unable to complete shema on time, or even if you purposely miss the required time, you can still say shema later in the day.
Sources: OC 58:6; MB 58:24-29
10 Cheshvan 5768 listen The Difference Between Night and Day (12:12)
If you forget to daven ma'ariv, you can daven until dawn, but this impairs the permission to daven shacharis early. Also: The yahrzeit of Methushelah.
Sources: OC 58:5; MB 58:20-23
7 Cheshvan 5768 listen Davening before Netz (15:11)
Sometimes you have no choice but to daven before netz or to start davening before misheyakir. What should you do? Also: an actual example of how Rav Dovid handled such a situation.
Sources: OC 58:4; MB 58:18-19; Beur Halacha d.h. "MiSheAlah Amud HaShahar"
6 Cheshvan 5768 listen Reading Shema before MiSheYakir (14:36)
What should you do if you have no choice but to read shema prior to the earliest permissible time?
Sources: OC 58:3; MB 58:13-17
5 Cheshvan 5768 listen What if you have to daven before dawn? (15:09)
Includes: review and overview of the four morning halachic times: the three "dawns" and the end of the time for kriat shema. Situations where you have to daven before the appropriate time.
Sources: OC 58:2-3; MB 58:10-12
4 Cheshvan 5768 listen The Ideal Time for Shema (14:58)
The perfect time to recite the shema is just before the sun peeps over the horizon. This time is so ideal that one can daven at this time at the expense of davening with a minyan.
Sources: OC 58:1; MB 58:6-9; Beur Halacha d.h. "Mitzvah min HaMuvchar"
3 Cheshvan 5768 listen The Latest Time for Shema (14:46)
The entire Shema must be recited in full before three halachic daylight hours have passed.
Sources: OC 58:1; MB 58:3-5
In memory of Leah bas Yechezkel on the occasion of her yahrzeit.
30 Tishrei 5768 listen Rosh Chodesh on Shabbos (Part 2) (6:57)
Why was the Haftara for Rosh Chodesh on Shabbos chosen?
Sources: OC 625:1; MB 625:6-8; Isa. 66:23
1 Cheshvan 5768 listen A Practical Guide to Shabbos (1): Introduction (54:52)
An introductory level guide to Shabbos observance. This class covers a basic overview of the mitzvah of keeping Shabbos and the origins of the prohibited activities.
Sources: Source Sheet
29 Tishrei 5768 listen Rosh Chodesh on Shabbos (Part 1) (9:03)
When Rosh Chodesh falls on Shabbos we add Ya'aleh v'Yavo, read a special Rosh Chodesh Maftir, and recite a special haftara.
Sources: OC 625:1; MB 625:1-5
Dedicated in memory of Shnuer Zalman ben Shlomo on the occasion of his yahrzeit.
28 Tishrei 5768 listen The Earliest Time for Shema: Vatikin (15:05)
The proper time for the recitation of the morning Shema is unfortunately a time when few of us can awaken ourselves to pray on a regular basis.
Sources: Brachot 9b; OC 58:1; MB 58:1-2
Dedicated in memory of Feigel bas Aharon HaKohen on the occasion of her yahrzeit.
27 Tishrei 5768 listen The Earliest Time for Shema (15:57)
The earliest time that one can recite the morning Shema is the time when we can recognize each other.
Sources: Brachot 9b
26 Tishrei 5768 listen Mashiv HaRuach: Summary of Halachot (9:57)