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
62 views

Who first said “You're being machmir on pikuach nefesh”?

I've been hearing the phrase "This is not being meikil1 on Shabbos, this is being machmir2 on pikuach nefesh3" for a long time. I've heard it quoted from R' Chaim, from the Gra, and from various and ...
4
votes
1answer
77 views

Source for statement that we don't know how to rebuke today

I recall hearing that someone, perhaps R' Yisroel Salanter, said that today we do not know how to respectfully give rebuke, and therefore we are all in the category of onus regarding the mitzvah of ...
4
votes
1answer
103 views

Why did R. Zera want to forget the Talmud Bavli?

I read that R. Zera fasted one hundred days to forget the Babylonian Talmud before he left Babylon to live in the Land of Israel. Why would he do this when I've understood that the Babylonian Talmud ...
4
votes
2answers
320 views

דע לפני מי אתה עומד on the ark

In some shuls it says on the ark, "Da Lifnei Mi Atah Omeid." Is there any source from which that comes?
4
votes
3answers
113 views

Interpreting divine messages

It is an article of faith that Hashem directs our lives individually (hashgacha pratit), and part of that guidance includes instructions about what each person should or shouldn't be doing. If we had ...
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4answers
174 views

Bitahon and Hishtadlut for livelihood

The Sefarim discuss (see Hobot Halevavot, Michtav MeEliyahu etc.) the idea of being Mishtadel (making an effort) for one's livelihood but believing that the Hishtadlut (effort) has absolutely nothing ...
4
votes
1answer
287 views

Where does it say that one must wear two layers on their head(one of the reasons for the black hat)?

I know that a reason for wearing a black hat is because one must wear two layers covering their head (Mishna Brurah 91:5) but am wondering if that Din is based in Kabbalah?
4
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1answer
107 views

What is a “migu”

A popular topic discussed sometimes at length in Yeshivas I would like to pose the question here with a few additional points: What is a "migu"? How is it used in Shas? What is a "classic" (or the ...
4
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1answer
62 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
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1answer
63 views

Source for the description of Mashiach in MBD's “Some Day”

Mordechai Ben David's classic song "Some Day" gives a description of what will happen in Yemot HaMashiach (the days of Mashiach). It seems to be a very popular song, and has doubtlessly influenced ...
4
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1answer
71 views

Feeling compassion for re'shaim and the mitzvah to hate

There are certain (specific) cases where it is correct or even a mitzvah to hate someone else. [See The following sources: Tehillim 97:10 and 139:21, Amos 5:15, Mishlei 8:13, Pesachim 113b, Sefer ...
4
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1answer
102 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? ...
4
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2answers
83 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
101 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
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1answer
161 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
votes
3answers
349 views

text for Rav Kook's positive viduy?

It was quoted in a class that I was in once that Rav Kook has a text for a positive viduy where he takes the normal expression of sin and inverts it to talk about what we have done right. What is the ...
4
votes
1answer
159 views

Different aspects of married relationship described in the last of the Sheva Brachos?

In the 6th (at a meal) or 7th (under the Chuppah) of Sheva Brachos, we read the line of גילה רינה, דיצה וחדווה, אהבה ואחווה, ושלום ורעות. I have heard that the first four words are referring to the ...
4
votes
2answers
385 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
189 views

A woman's singing voice when there are other singing voices

There is a famous Teshuva of the Sridei Aish, Rabbi Yaakov Yechiel Weinberg, that permits one to hear kol isha (a women's singing voice) when there are other people singing. Where is this Teshuva ...
4
votes
1answer
89 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
65 views

What happened with G-d's promise?

In Bereshit 15:18 G-d makes a covenant with Abraham in which He says that He has given certain land to Abraham's descendants. בַּיּוֹם הַהוּא כָּרַת יְהֹוָה אֶת אַבְרָם בְּרִית לֵאמֹר לְזַרְעֲךָ ...
4
votes
2answers
60 views

source for Potiphar not believing his wife

I mentioned to someone a vort I once heard pointing out a difficulty in the story of Potiphar's wife. Why did Potiphar not have Yosef killed, which would be the expected punishment for attacking the ...
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1answer
69 views

Origin of “May God Avenge His Blood” (הי"ד)

What is the origin (i.e earliest usages) of appending הי"ד ("May God Avenge His Blood") after the name of a murder victim.
4
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1answer
66 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
2answers
141 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
91 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
51 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
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1answer
202 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
2answers
198 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
327 views

Ana B'Koach authorship and the 42 letter name of Hashem

In my Artscroll siddur it tells me that the hymn Ana B'Koach was written by the tanna, Rebbi Nechunia ben HaKana and that the first letter of each word can be used to form the 42 letter name of ...
4
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1answer
285 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
124 views

Wearing wool Tzitzis on Shabbos

Is it better to wear wool tzitzis? indicates that it is better Halachically to wear a woolen Beged with woolen Tzitzis. Recently I met a fellow who the entire week wears cotton Tzitzis, yet on Shabbos ...
4
votes
1answer
361 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
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1answer
77 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
135 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
100 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
votes
1answer
156 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
31 views

Kanfei Yonah – Above or Below the Bayit

I have seen two basic styles of wrapping tefillin up 'al kanfei yonah. The first, which I've seen mainly among the older generation is to put the kesher (knot) below the bayit with the loop in the ...
4
votes
1answer
36 views

Was the rock the Moshe hit in Shemos 17 the be'er miriam

Rashi in Bamidbar 20:2 notes that until Miriam died the be'er [literally well] gave water. Was this be'er the rock which Moshe hit in Shemos 17? Or was it a well, and if so where is the first source ...
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1answer
54 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
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1answer
127 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 ...
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2answers
256 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 ...
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2answers
141 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
90 views

Is there a chazakah (halachic presumption) that an Eruv is down after a blizzard?

I remember, I was once at shul Friday night, and it was just starting to snow and it was predicted to be a huge blizzard. The Rabbi got up and announced that tomorrow people should work under the ...
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votes
0answers
56 views

Should we ask a non-Jew to wear a kippa for a burial?

Should we ask a non-Jew to wear a kippa for a burial? He likely doesn't have an obligation to do so. We often ask them in a synagogue (and this answer discusses the reasons) but what about a cemetery? ...
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0answers
33 views

Looking for a Chazon Ish about developement of Minhagim

It has stuck in my head for a while now - roughly quoted as saying that one shouldn't mock minhagim that have developed in klal yisroel even if the origin seems dubious - as Hashem wouldn't allow ...
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0answers
79 views

Convert without accepting mitzvos?

Conversion is always a hot topic, especially here in Israel. Many times conversions take place where the Ger (convert) didn't have the intention to be m'kabel (accept) the mitzvos. People scream and ...
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0answers
56 views

Earliest Sources To Avoid Pronouncing the Name 'Samael'

What are the earliest explicit sources that reference the practice of not pronouncing the name 'Samael'? I ask since I have heard many people doing this. It is referenced here: ...
4
votes
0answers
63 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 ...
4
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1answer
84 views

Where does the Zohar mention each day's challenges?

The Artscroll Stone Chumash on page 80, note 11, says the following: באים בימים - Coming with [their] days. The Zohar says, "Each day in a person's life carries with it it's own challenge and ...