Questions seeking sources for a given practice or idea, or seeking the location of a specific source.

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4
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1answer
57 views

Gemara on volunteering?

I heard that there was a Gemara to the effect of "volunteers cost more than employees because their motivation is not as good" -- or somesuch. Any ideas? Thanks.
4
votes
2answers
76 views

What were the Rambam's sources?

In the introduction to the Mishneh Torah, the Rambam indicates that his compilation of the entire Oral Torah is derived from a few key Jewish texts: ואין צריך לומר הגמרא עצמה הבבלית והירושלמית ...
4
votes
1answer
61 views

Can an autopsy be performed on a Jewish body?

Halachically can one perform an autopsy on a Jewish body? One one hand, the Talmud Sanhedrin 47a explains that the verses in Deuteronomy 21:22-23 we can learn that one must not delay a burial and ...
4
votes
1answer
125 views

Should single men not sit at corner of the table?

I heard that there some say that single men should not sit at the corner of the table, because it could lead to someone staying single forever. Is there a source for this idea?
4
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2answers
298 views

Is praising non-Jews actually prohibited?

The gemara Avodah Zara (20) explains that praising a non-Jew is a violation of "lo sechaneim", and this is quoted in the Rambam (Hil. Avodah Zara 10:6) and the Shulchan Aruch (Y"D 151, and Shach s.k. ...
4
votes
1answer
88 views

Is there a stated freedom to contract?

In the United States (and other countries), there is the notion of the freedom to contract. This is the idea that two people of sound mind have the right to enter into any contract with one another ...
4
votes
2answers
128 views

sources that neatness brings brocho/mazal

I heard in a daf yomi shiur on the end of Moed Katan (27a ‘Couch of Fortune’) that Jews kept an extra neat bed for brocho/mazal. One of the reasons that he gave was that in general neatness brings ...
4
votes
2answers
81 views

Kiddush, Learning and Mitzvos for dead/niftar neshamos

I seek an early source that giving Kiddush (so others will make a bracha for the zchus of the neshama) or other such actions that can positively affect the neshamos of those who have departed.
4
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1answer
47 views

Source for exemption of hekdesh by nizkei adam

What is the source of the פטור (exemption) of הקדש by נזקי אדם (damage to property done by a person)? Tosfos on Bava Kama 7a (continued from 6b sv שור רעהו; on 7a, beginning of narrow lines) teaches ...
4
votes
1answer
166 views

Where does the Talmud discuss the reason for Onan's death?

Genesis 38 says that instead of impregnating Tamar, Onan let his seed go to waste, and that this angered God, and therefore God killed Onan. I have a vague memory of reading somewhere in the Talmud ...
4
votes
1answer
273 views

Have poskim written about partnership minyanim?

Are there any contemporary responsa regarding partnership minyanim, such as Shira Hadasha and Darkei Noam? Various rabbis have written against it (e.g., R. Student, R. Rothstein, R. Firmer) and it ...
4
votes
1answer
284 views

Source for story of Rashi, the King, and the Four Horsemen

There is a story (you can read the details here) about Rashi telling a King that he will conquer Yerushalaim for 3 days and return with 3 horses and 3 riders. The King returned with 4, but as they ...
4
votes
1answer
75 views

The history behind the composition and inclusion of V'lo N'tato

I'm curious about the composition and inclusion in the shabbat shacharit of the paragraph beginning ולא נתתו (v'lo n'tato). I understand the talmudic basis for the underlying idea, and how it fits in ...
4
votes
1answer
116 views

Is the idea that there is always at least one illness with an unknown cure - a Jewish idea?

I have heard many times that there will always be at least one illness that is uncurable. Is this a Jewish idea? What is its source?
4
votes
1answer
98 views

Matzah the entire week

Is it the Vilna Gaon who maintains that it is a mitzvah to eat matzah (to eat matzah, in addition to abstaining from chametz) every day and night during the week of Passover, or somebody else? The ...
4
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1answer
150 views

g'mara about David's conception

Where's the g'mara about Yishay's divorce (or was it separation?) and David's conception, please?
4
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1answer
28 views

What's the source for the phrase in Krias Shema al HaMitah: : …בְּשֵׁם יְיָ אֱלֹקֵי יִשְׂרָאֵל and to recite it 3x?

What's the source for the actual phrase that is cited in Krias Shema al HaMitah: בְּשֵׁם יְיָ אֱלֹקֵי יִשְׂרָאֵל: מִימִינִי מִיכָאֵל וּמִשְּׂמֹאלִי גַבְרִיאֵל וּמִלְּפָנַי אוּרִיאֵל וּמֵאֲחוֹרַי ...
4
votes
1answer
49 views

No longer prostrating after tefillah - sources?

Inspired by this question, this question and this answer, what I am looking for is an early source that makes reference to people no longer prostrating themselves after tefillah. If the source gives a ...
4
votes
2answers
142 views

Source for Quote about the cost of bread in the times before Moshiach?

Does anyone know where it says that in the times before moshiach, it will cost a barrel of money to buy a loaf of bread? I remember hearing that, but can't find the source. The reason I ask that is ...
4
votes
1answer
120 views

Where Does the Talmud Teach Not to Learn Halacha From Observation of Teachers?

Back when I was learning Daf Yomi, I ran into an interesting lesson I'm finding difficult to find again. It was a teaching that one should learn halacha from your rebbe's teachings and not through ...
4
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2answers
252 views

Is the Tower of Babel discussed in other Jewish texts?

Genesis Chapter 11 includes a few short verses about the Tower of Babel: 1 And the whole earth was of one language and of one speech. 2 And it came to pass, as they journeyed east, that they ...
4
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2answers
138 views

Gezeira of Rabbeinu Gershom History

Has the original text of the Gazeira of Rabbeinu Gershom been lost. If so when? Who are the earliest sources stating such?
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0answers
34 views

Vilna Gaon on Yom HaAtzmaut?

I've heard repeatedly the claim that there is a specific prediction by the Vilna Gaon regarding the dates of Yom HaAtzma'ut (5 Iyar) and Yom Yerushalayim (28 Iyar). What is the source for this claim? ...
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0answers
41 views

Reward for not talking during davening

The Sefer HaPanim (Daf 11) says, “One who is careful not to converse during prayers is bound to live a long life and have a pleasant old age." 1) Is there anywhere in the Torah, Gemara or Sefarim ...
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0answers
63 views

Different endings of Yishtabach

I have heard at least four nuschaos (liturgies) for the very end of Yishtabach between habocheir b'shirei zimrah (who chooses musical songs of praise) and chai/chei* haolamim (life/life-giver of the ...
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0answers
50 views

Choreography of Kaddish

I have seen a number of different customs of when people bow or sway or bob or whatnot during Kaddish. Some of the people I have witnessed have been very knowledgeable, and I assume they weren't just ...
4
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0answers
31 views

Kallah and the Power to give Brachas [duplicate]

In a shiur given by Rabbi Frand, he tells over a story where a Kallah came into a hospital on the day of her wedding to give Brachas to the children for a Kallah, on the day of her wedding, has the ...
4
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0answers
114 views

Height of havdalah candle = height of spouse?

I have seen havdalah ceremonies where a unmarried person is charged with holding the havdalah candle and is told to hold it at the height that s/he would want their spouse to be. What is the source ...
4
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0answers
41 views

Source for medrash that Klal Yisroel counted the omer when they came out of Mitzraim

The sefer Tur Bareket (OC 489 1) brought here quotes a medrash that Moshe Rabbeinu told Klal Yisroel to count 50 days towards matan torah. Do any of our readers know the exact source in the medrash of ...
4
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0answers
64 views

Can you take and post pictures of people online without their permission?

Realizing that there is some concern with having one's picture taken in the first place; according to those who allow pictures of people to be taken, is there any halachic reason which would prevent ...
4
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0answers
100 views

What sources did people use to support Shabbtai Tsvi's messianism after he died?

I can understand the appeal of a messiah in 1600s Eastern Europe. I can understand that we want a messiah and we're willing to accept one, whether it be Bar Kochva or Shabbtai Tsvi. But on what ...
4
votes
0answers
252 views

Why is wine poured by a non-Jew forbidden?

The S"A 125:1 (YD) states that a non-Jew pouring non-Mevushal wine makes (at least) that wine unfit, but other than citing earlier authorities (maybe, I can't figure that part out) he doesn't give a ...
4
votes
0answers
127 views

Young boys returning Chumashim after Torah reading

I often see young boys going around shul after the Shabbos/Yom Tov morning Torah reading to collect Chumashim and return them to their shelves. Is this an actual 'minhag' with a history behind it? If ...
4
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0answers
103 views

Sources for Hamsa

I know from Ben Ish Hai Shana Bet Parashat Pinehas siman 13 where he writes to make a Hamsa from wood. However, I am wondering if there any earlier sources to solidify the fact that this would ...
4
votes
1answer
152 views

source for obligation to recite the shema

The talmud in berachos 2a asserts that the verse ודברת בם בשבתך בביתך ובלכתך בדרך ובשכבך ובקומך is the source for the mitzva of reciting shema twice daily. Yet later on in daf 13, the talmud says ...
4
votes
2answers
127 views

If one gives a food gift on Shabbos, does the one who receives it need to use it on Shabbos?

The Halacha is that one may give a food gift to another on Shabbos. (See Dose of Halacha for more details). If I give a bottle of wine, do they need to open it on Shabbos, or can they choose to keep ...
3
votes
2answers
267 views

Biblical evidence for not eating bread on passover?

Can someone cite lines from the Torah that specify what Jews should eat during Passover? I'm aware that Jews don't eat leavened bread during Passover. Where does this rule come from?
3
votes
3answers
118 views

Source for Rambam on Habit and Character

Where does the Rambam say, "Habit and Character are closely interwoven. Habit (as it were) becomes second Nature"?
3
votes
3answers
130 views

Shiur of “Miut Hamatzui”

A "miut hamatzui" is a phrased used to express a case where because of a small concern that something exists, or might happened, or does happen that the halacha is affected by this. An example is if ...
3
votes
3answers
739 views

Where is it taught that you can't sleep with socks

I remember hearing that you can't sleep with socks. I think Rambam stated this (correct me if i am wrong), but where in Rambam was it said and why do we do it?
3
votes
1answer
215 views

Which Rabbinic source claimed that the Rambam “killed” the demons?

I've heard many times that the Rambam "killed" the demons rather than simply denying that they ever existed. Which Rabbinic source claims as much? Because the Rambam himself seems to have said that ...
3
votes
3answers
433 views

The concept of glatt

Where in the Gemara do you find the concept of meat being "glatt"? Or where do you even find the concept of "kosher lmehadrin."
3
votes
1answer
385 views

Sources for the world being round in the Gemara

Can anyone bring me proofs from the Gemara that proves the world was round-and that this was known 2000+ years ago? I have looked around and I can't seem to find any sources which prove this.
3
votes
4answers
737 views

Are Jews allowed to listen to music that is performed by non-Jew?

I am machmir on only listening to music that was performed by a Jew, but i don't really understand it. Does anyone know what is the source for this? Does Matisyahu perform with only Jews?
3
votes
1answer
422 views

Who is Shmuel’s father? & Why is he called by his son’s name?

Many times throughout the Gemara we come across the term אבוה דשמואל "the father of Shmuel". I was wondering if we know what his real name was? And why he is referred to by his son’s name?
3
votes
2answers
110 views

Rav Hirsch and Black Slavery

I once saw Rav Hirsch make a passing reference to black slavery in America in his Collected Writings, but no longer remember where. Does anyone know where this might be?
3
votes
1answer
91 views

A reference to the soul of a Tzaddik like an eyelash in milk

I know that somewhere in something I have read there is a comment that someone (Yaakov avinu?) was so spiritually pure/holy that his soul did not cling to the earthly shell that was his body but came ...
3
votes
2answers
343 views

Source that martyrs don't feel pain?

A lot of people have told me (and I seem to remember seeing so myself) there is a view in the Rishonim that someone who is killed Al Kiddush Hashem (for the sanctification of G-d's name, ie., ...
3
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2answers
218 views

What was the earliest use of the Rambam's language in Shmita V'Yovel in support of kollel study?

Here's the Rambam, waxing poetic at the end of Laws of Shmita and Yovel (and his entire volume of Zeraim): ולא שבט לוי בלבד, אלא כל איש ואיש מכל באי העולם אשר נדבה רוחו אותו והבינו מדעו להיבדל ...
3
votes
1answer
50 views

Ashrei and Repetition of a posuk

I have heard that the only posuk in ashrei which requires repetition if one did not have kavanah when saying it is פותח את ידךָ. Where is the source for that?