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

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5
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2answers
185 views

Jews vs gentiles: disputes

Recently I got a pleasureful reading of the Ramban's dispute. I think it a great source for "דע מה להשיב" (know what to answer to heretics). I'm sure there were similar disputes by other great ...
5
votes
3answers
311 views

The Western wall (Kotel Hamaravi) forever

What is the source that the western wall of har habayis will never be destroyed? I remember learning it somewhere and heard it numerous times but forgot the source.
5
votes
1answer
82 views

Not eating chametz in Eretz Yisrael on “Achron shel Pesach”

I heard that there is a letter from the Rebbe Rashab (Chabad) that one shouldn't eat chametz on Achron Shel Pesach when they are in Eretz Yisrael (even if they are keeping only one-day Yom Tov.) I ...
5
votes
1answer
80 views

Removing Yarmulka last when undressing (source)

I have noticed that some people remove their Yarmulka last when undressing and wear it first when dressing. Is this custom mentioned anywhere?
5
votes
1answer
303 views

Whence is the idea that the deceased is a meilitz yosher?

At funerals I have often heard it said that the deceased should be a meilitz yosher (one who relates rectitude). Where does this idea come from?
5
votes
1answer
73 views

Was the tana Rebbi Meir blind?

I have heard that the name Meir (lit:enlightening) is actually a "lashon naki" because he was actually blind. Similar to "sagi nahor". Is there any source for this notion that Rebbi Meir was blind?
5
votes
1answer
125 views

Why do we sit in the sukkah in the autumn?

I remember hearing at some point that there's a disagreement between the Ashkenazi and Sefardi rishonim regarding why we sit in the sukkah in the autumn: Ashkenaz - Because we love God, so we go out ...
5
votes
2answers
105 views

Should the shaliach tzibbur wear a talis to say the 13 middos ?

The Gemoro in Rosh Hashono 17b says that HKB”H put on a talis like a shaliach tzibbur and taught Moshe the 13 middos and said whenever Israel sins they should perform before Me according to this ...
5
votes
1answer
241 views

Sherlock Holmes-ian deduction in the Talmud

I remember learning a story in the Talmud (I think) and am trying to find the source. I'm a little fuzzy on the details, but this is what I remember. There was a Talmudic Rabbi who was sold into ...
5
votes
1answer
80 views

Shechita for chicken

What is the halachic source requiring us to ritually slaughter chicken specifically, and was there ever a time in history that Halachic Jews ate chicken without first performing ritual slaughter?
5
votes
1answer
110 views

Source for how Agag had a child after being captured

Many years ago when I learned the story of King Shaul and Agag I recall learning that the Amalekites were master sorcerers and that the way King Agag was able to perpetuate his line was by cohabiting ...
5
votes
1answer
130 views

Aristotle eating Aiver Min HaChai

I heard there is a Rambam that mentions that Aristotle ate Aiver Min HaChai. I am looking for both the source in the Rambam and any earlier sources that could have been the basis for this.
5
votes
1answer
72 views

From where do we learn that strangulation is the default execution method?

I've seen mention in various places, including a quick search of Bavli Sanhedrin, that when the torah doesn't specify a method of execution in a capital case, the method is strangulation. I see a lot ...
5
votes
3answers
235 views

Are there forms of Jewish mysticism outside of kabbalah?

Is kabbalah the one and only form (source?) of Jewish mysticism?
5
votes
1answer
54 views

Chafez Chayim checked copies of (which) books?

I've heard that the Chafetz Chayim inspected each page of each printed copy of the Mishna B'rura to be sure that it was printed correctly (with no large ink splotches or the like). Is there a ...
5
votes
2answers
169 views

Science of the Rishonim on “celestial spheres”

In the writings of the Rishonim, it is not uncommon to see explanations of pesukim or of aggadic concepts using the "celestial spheres" model of the universe. The Rambam in particular uses the idea ...
5
votes
1answer
178 views

Women and Tefillah - per the Rav

I remember a long time ago hearing that the Rav (Rabbi Joseph B. Soloveitchik (1903–1993)) held that women should pray three times a day. Can anyone verify this, and what is the reason/source ...
5
votes
1answer
111 views

Where is the Rabbinic prohibition of tattoos discussed?

According to the gemara in Makkos 21a, it seems that the biblical prohibition of tattoos only extends to tattoos made for religious purpose. However, the vast majority of poskim all seem to imply that ...
5
votes
1answer
206 views

Why are wedding invitation abbreviated b'rachos different for males and females?

Many wedding invitations written in Hebrew that I've seen have the abbreviations נ"י - after the groom's name - and תחי'‏ - after the bride's name. (Example) Sometimes they are slight alterations ...
5
votes
3answers
110 views

Amailut (trying hard/ toiling) to learn Torah

What's the source for amailut (trying hard/ toiling) to learn Torah? Is there any benefit to try learning Torah on your own without help, when you can learn Torah through asking others and looking ...
5
votes
2answers
255 views

Color meanings in Judaism

Do colors have a specific symbolic meaning in the Torah? (For ex. is it brought down anywhere that blue is holy?)
5
votes
1answer
62 views

“For Zion's sake” - Where in the liturgy?

Is Isaiah 62:1 found anywhere in the liturgy? I seem to remember a reference or two in Selichot, but I can't find it there now, nor can I find it anywhere else.
5
votes
1answer
200 views

Customs surrounding fasting when a sefer torah falls to the floor?

Based on this question I would like to know what the earliest source for fasting when a sefer torah falls comes from? Is is true that if a person is in the room but turns away so as not to see it ...
5
votes
1answer
216 views

Does anyone have a proof text that animals *don't* have spirits?

I've heard it said that animals don't possess a רוח However, Ecclesiastes 3:21 uses the phrase רוּחַ הַבְּהֵמָה. Is there any text that indicates that animals don't possess a spirit? Edit: Upon ...
5
votes
2answers
281 views

Is there a source that the Messiah can die and return?

Is there a source in Judaism that indicates that Moshiach (Ben David, not Ben Yosef) will die before having fulfilled his role and then return to posthumously achieve it?
5
votes
1answer
59 views

Source for prohibition to listen to music during the 3 weeks

What is the earliest source for the prohibition to listen to music during the 3 weeks? Is there any dispute as to the timeframe of the prohibition (only 9 days, week of etc.)?
5
votes
1answer
45 views

Who wrote the “Seder Vehilchos Korban pesach rishon beketzarah”

In Pesachim 57b (right before the 5th chapter) there is a page containing a summery of laws pertaining to the Korban Pesach. Who wrote it?
5
votes
1answer
102 views

Where was it first said that “The generation is diminishing and diminishing”? (הדור הולך ופוחת)

in Hebrew we have an adage that says “הדור הולך ופוחת” ("Hador holekh wepocheth"), meaning “the generation is getting more and more diminished", which may have meant that there are fewer and fewer new ...
5
votes
1answer
97 views

Where does the concept of “shirayim” come from?

Please explain the concept of shirayim (literally, leftovers) wherein the followers of a chassidic Rebbe will receive portions of his food to it, these leftovers are considered holy or special in some ...
5
votes
1answer
151 views

(Seeking Original Source in Yechave Daas ) Limiting instances of doing something 3 times becoming a neder

According to Harav Musafi Shelit"a (Q&A 74259) (and I'm sure earlier sources), if you do a "Hanhaga Tova - good deed" three times you need Hatarat Nedarim. I believe Harav Ovadia Shelit"a in his ...
5
votes
2answers
161 views

Laws regarding excessive conversation while dating

In speaking with a friend regarding conversation between men and women who are dating, this is what they said: So I asked someone who knows about these things and she said that it originates from ...
5
votes
1answer
126 views

Source of Gentiles given sports to distract them from harming Jews

I heard a long time ago from a high-school rebbe of mine that G-d gave Gentiles sports / athletics to distract them from attacking Jews. What is the source of this concept?
5
votes
2answers
76 views

Resources for “vertical learning”

New member and first question! I'm looking for resources for guidance in the possibly made-up term, vertical learning. What I mean by that is my learning often suffers from being hodge-podgey and ...
5
votes
1answer
237 views

How much must be eaten from the lechem mishneh

Inspired by following 2 questions: Not eating from the Lechem Mishnah Challah Loaves on Shabbat have a minimum size? When eating a Shabbos Seudah how much must the ones that are being yotzee from ...
5
votes
1answer
228 views

What is the source for Rambam's “physician's oath”?

A physician friend pointed out to me the Rambam's "physician's oath" (it doesn't look like an oath per se, but that's what it's called), which begins (in English): The eternal providence has ...
5
votes
3answers
279 views

Drawing with ink on your skin

Shalom, I have heard many times that there is a problem with drawing on your skin with ink. Can anyone provide sources on the topic? I would like to know things like what issur this falls under and ...
5
votes
1answer
157 views

Which of Moshe Chaim Luzzatto's works influenced Chassidut, Mussar, and Haskalah?

In Dovid Cohen (known as Rav Ha-Nazir)'s Wikipedia page, the following idea is attributed to him: He saw in Moses Hayyim Luzzatto the harbinger of this redemption, pointing out that the three ...
5
votes
1answer
250 views

Drinking the wine that spills over the cup during Kiddush

There is a widespread custom among the Jewish people to fill up their kiddush cup to the point that it overflows. This overflowing of wine symbolizes Hashems blessing overflowing in our lives. I was ...
5
votes
0answers
54 views

Whose minhag does a Kalla follow in neiros shabbos and mikvah?

I was told by my mother-in-law that my wife should follow all of my minhagim except for shabbat candle lighting and mikveh, for which she will follow her mother's. Is there any halachic authority who ...
5
votes
0answers
75 views

Rambam claiming some of Hazal were superstitious

I forgot where, but I remember reading the Rambam z"l saying that some Hazal believed in superstitions, ideas such as ayeen haro because they lived in small villages with lack of science, and ...
5
votes
0answers
65 views

Verses indicating that each person has an equal entitlement to a land-plot

In Numbers 26:53–54 (JPS), the Israelites are commanded: Unto these the land shall be divided for an inheritance according to the number of names. To the more thou shalt give the more ...
5
votes
0answers
160 views

Source for not referring to Chanuka lights as a “menora”

Following up on this question about the use of the words "menora" or "chanukiya" to refer to Chanuka lights: I find it interesting that the use of "chanukiya," popularized in 1897 through a secular ...
5
votes
0answers
89 views

Minhag of bothering the chazzan on Simchas Torah

I have seen the custom of bothering the chazzan during the musaf service on Simchas Torah. I have seen people tie the chazzan's gartel to a chair, or try to move the chazzan to a diffrent place. I ...
5
votes
0answers
128 views

Which rabbi said “if a horse had the mind of Kant …”?

I recall hearing in yeshiva that one great rabbi -- I think one of the baalei mussar? once said: If a horse had the mind of Kant, it would author volume after volume of great philosphical works -- ...
5
votes
1answer
102 views

Source for this Remez expansion of יד שחט דם

There is an acronym for the liquids that make things able to be made ritually impure. The Halacha is in order for fruit and the like to be made ritually impure it has to be made wet with these ...
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votes
5answers
262 views

Connecting Shas and Halacha

What resources are available to trace the connections from the Gemara to the Halachic codifications and the reverse? For example, how can someone learning Daf Yomi find the related Halachic rulings ...
4
votes
1answer
195 views

A source for the claim that the Satmar Ruv (R' Yoel Teitelbaum) said to VP Hubert Humphrey “Sell weapons to Israel!”

There is a commonly quoted anecdote that when Vice President Hubert Humphrey came to the Satmar Rav for votes in 1968 and asked him what he could do for him the Satmar Rav replied "Sell weapons to ...
4
votes
4answers
223 views

Looking for Toldos Yeshu (1705 version). Does anyone have?

I'm researching the story that the Christian Apostle Simon -- later Saint Peter -- was actually a Jewish plant who was instructed by the rabbis to change Christian observances and beliefs to make it ...
4
votes
1answer
57 views

Is there a Jewish tradition of God reviving Israel at Sinai?

I once heard that according to "Jewish tradition", though it could be mere hearsay, that there was a story or legend that when the Israelites saw God's presence upon Mt. Sinai (or heard His audible ...
4
votes
3answers
196 views

Are there any Jewish sources which discuss the existence of auras or energy fields?

Are there any Jewish sources which discuss the existence of auras or energy fields? Is it permissible to learn about them and be involved with them for healing purposes?