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

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5
votes
3answers
474 views

Source for the prohibition against Nivul Peh (foul mouth)

What is the source for the prohibition against Nivul Peh (using foul language)? Is it Biblical? Rabbinic? "Asmachta" (based on a principle derived from the Torah but ultimately not considered a ...
11
votes
2answers
482 views

May one walk under the Arch of Titus?

I have heard that it is prohibited (or at least that the custom is not) to walk under the Arch of Titus in Rome. Is this accurate? If so, what is the source? Would it make a difference if a large ...
3
votes
1answer
46 views

Source for meaning of parasha break in Numbers 26:1

Bamidbar 26:1 is written: וַיְהִי, אַחֲרֵי הַמַּגֵּפָה; {פ} וַיֹּאמֶר יְהוָה אֶל-מֹשֶׁה, וְאֶל אֶלְעָזָר בֶּן-אַהֲרֹן הַכֹּהֵן לֵאמֹר The {פ} indicates a line break - in the middle of the ...
7
votes
2answers
389 views

what are the origins of the requirement for a minyan?

From what is the requirement for ten adult Jewish males for certain prayers derived? I kind of assumed this may be in some way related to Abraham's struggle to find the righteous males in the cities ...
-3
votes
1answer
172 views

Bechor Shor (Ribash) on the Nachash Nechoshet (Copper Snake) of Parshat Chukas [closed]

Does anyone have access to the Mossad HaRav Kook edition of Rabbi Yosef Bechor-Shor's peirush (commentary) on the Torah? Specifically, if anyone is able to scan and upload an image of the section(s) ...
3
votes
3answers
495 views

Abridged Birkat HaMazon - Online?

HaRav Binyamin Kwalwasser from Yeshivat Lev Hatorah taught us that Rabbi Abadi is of the opinion that it is better to say a shorter version of Birkat Hamazon after eating than not to say it at all. ...
13
votes
5answers
548 views

“Silk-Screened” Sifrei Torah

What are the halachic issues with Silk-screened sifrei torah? I am interested in a summary of concise halakhic rulings of multiple authorities on the prohibition or permissibility of HaRav Yitzchak ...
4
votes
1answer
257 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
0answers
221 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
1answer
72 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 ...
6
votes
1answer
212 views

Jews were on 49th level of Tumah. Says who?

There is a well known idea that when the Jews left Egypt during the Exodus, they were on the "forty-ninth level of tumah". Many explanations are given for this and it is expounded upon at length by a ...
2
votes
1answer
132 views

Source for “Ein Mazal B'Yisroel”

I know that there is a Gemarah (somewhere in Shabbos I think), that discuses birth signs, based on days of the week and month. The Gemarah ends with Ein Mazal B'Yisroel and a few stories that ...
1
vote
1answer
43 views

Learning words from the servants of Rebbi

Where is the gemarah that discusses how the sages didn't know the meaning of certain words until their heard the servants of Rebbi Yehuda HaNasi using those words in everyday conversation?
2
votes
2answers
312 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
votes
1answer
62 views

Splitting up Shacharis between two Chiyuvim

I have Davened in a few Shuls where they have split up Shacharis between two Chiyuvim. (One Davens until Ashrei after Tachanun / One davens from Ashrei until the end.) What is the source for doing so? ...
4
votes
1answer
112 views

Midrash on children and the letter shapes?

I've heard about a midrash that discusses a day when little children took over the study hall and, by interpreting the shapes of the Hebrew letters, articulated many of Judaism's most powerful ...
2
votes
0answers
166 views

Text for birchat habayit

I'd like to write a couple birchos habayis and get them illuminated as gifts. Does anyone know of a good existing text? I'm looking for something five or six lines long, preferably not the usual one ...
15
votes
1answer
259 views

Non-Jews Tending to Abandoned Cemeteries

Those of you who may have read my profile know that I have been reading and transcribing information on tombstones in towns in the Spis Region of Slovakia, in which no Jews remain. My colleague is ...
6
votes
1answer
107 views

Decorative food plating on Shabbath

This question asks about using an ice cream scoop on Shabbath, and an internet forum linked in the question has a discussion about the permissibility of decorative plating of food generally. According ...
1
vote
1answer
75 views

Ohr HaChaim on Redemption because of Torah

I've heard that the Ohr HaChaim quotes the Zohar Chadash that we will be redeemed because of the merit of Mosheh and learning Torah. Does such a comment exist in the Ohr HaChaim? If so, can someone ...
7
votes
2answers
265 views

What is the kiss of death?

Chazal tell us (need help with the source) that at least 3 people died "b'neshika" with a 'kiss' from God, Moshe, Aron and Miriam. (Rashi on Bamidbar 20:1, 33:38; Devarim 34:5) What is exactly does ...
9
votes
3answers
2k views

Wearing clothes backwards or inside out?

As a kid, I was told that if you wear clothing backwards or inside-out then you will forget your Torah learning. What is the source for that claim, and why is that specific outcome tied to that ...
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
222 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 ...
2
votes
0answers
57 views

Midrashim That Contain Elements That are Against Nature [closed]

I a compiling a list of midrashim that contain elements that go against the laws of nature (e.g. Og's picking up a mountain the size of the camping of Bnei Yisrael). Can anyone help me?
5
votes
1answer
163 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 ...
3
votes
3answers
82 views

Correct version of pasuk about wisdom

An old teacher of mine is about to turn 90 and I'm trying to locate a pasuk, which, I think, says: "Treasure the words of a wise man for they are..." or "Heed the words of a wise man, for they are ...
4
votes
2answers
159 views

Eruv around towns for the purpose of carrying

I was learning the first few chapters of Eyruvin, and I wondering which of the mishnas are the source (or inspiration more likely) for the idea of a string around an area that allows one to carry ...
4
votes
1answer
113 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?
5
votes
2answers
288 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
55 views

What is the source for Mesirath Nefesh being a virtue?

Mesirath Nefesh is widely considered a virtue. It is treated by Musar-givers throughout the world as though it is the most important virtue after fear of Heaven. But what is it based on? There are ...
8
votes
1answer
322 views

Hand movements when lighting shabbat candles

When women light shabbat candles I often see them making hand gestures. These look like two or perhaps three circles around in the air. What is the source for this practice? Is it a law or custom? Is ...
5
votes
2answers
246 views

Source of shabbat evening kiddush text?

The beginning of the shabbat evening kiddush (vayehi erev, vayehi boker, yom hashishi...) is from Bereshit, 1:31 ff. Where does the second part (khi hu yom tehilah lemikraei kodesh...) come from? Is ...
12
votes
2answers
341 views

How do we know that we have free will?

Where in the torah does it state that humans have, and are entitled to in perpetuity, free will?
5
votes
1answer
140 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 ...
7
votes
2answers
373 views

Traditional review of Heschel's “Torah min HaShamayim”

"Torah min Hashamayim B'aspaklariya shel Hadorot" (תורה מן השמים באספקלריה של הדורות) was written by R' Abraham Joshua Heschel and published by Soncino Press and JTS Press in 1962. It was translated ...
5
votes
1answer
168 views

Did the Terumas haDeshen write a challah recipe?

Reading this article about challah-making, I noticed the following: Using the starter, I tried the Rich Sourdough Barches recipe from Inside the Jewish Bakery, which the authors say is adapted ...
5
votes
1answer
288 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 ...
0
votes
1answer
74 views

Are the airuv rav compared to tza'ras?

Looking for a source in chazal that compare the airuv rav to tza'ras. I have vague recollection of learning something to this effect once and it would make a killer addition to my Shavuos dvar ...
9
votes
3answers
219 views

What is the source for the mitzvah of kiruv?

Is kiruv a mitzvah? Is it biblical or rabbinic? Is there any reason it should supersede other mitzvot? what are the sources in chazal and halacha relating to kiruv? related: Kiruv and halachik ...
1
vote
1answer
104 views

Where do chazal refer to rus and naomi as birds?

Where is the chazal that refers to Rus and Naomi (na'ama?) as shnei preidos tovos - two good birds?
20
votes
2answers
274 views

Matza on 14 Iyar

I have seen a custom (it seems to me primarily among Chassidim) to eat matza on 14 Iyar (known as Pesach Sheni). What is the earliest source for this custom? What are the reasons given for following ...
8
votes
1answer
151 views

Source for Categorization of Matter

What is the source for the idea that all matter is either domem (lifeless), tzomeach (plant), chai (animal), or medaber (speaker)? I sometimes find this quoted places (in articles and divrei Torah), ...
10
votes
2answers
157 views

What's up with Rabbi Shimon ben Nesanel in Avos 2:10?

In chapter 2 of Pirkei Avos (Ethics of Our Fathers) it says that: "Rabban Yochanan the son of Zakkai had five disciples" It goes on to list their names and qualities, and then it says that R' ...
6
votes
1answer
183 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 ...
15
votes
4answers
2k views

If masturbation is so bad, why is it not in list of 613 Mitzvos?

If masturbation is, as stated in the Shulchan Oruch (Even HaEzer 23:1), "the worst sin in the Torah", then why is it not listed in any of the various lists of 613 Mitzvos and why is there no verse in ...
4
votes
1answer
832 views

What is the source of the Birkat Habayit?

What is the source of the text of the Birkat Habayit: I've seen them written on a hand, and some come with garlic, multi-colored beads, and some other strange objects. Inspired by: ...
4
votes
0answers
122 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 ...
9
votes
1answer
147 views

A year with eight Sh'minis is plenteous?

I've heard an idea that a year (like 5772) in which parashas Sh'mini is read eight times[1] is a particularly auspicious one: the wording of the maxim is something like "sh'mona Sh'mini sh'mena" ([a ...
3
votes
3answers
109 views

Seeking sources about the necessity for finding a מנין

I am looking for sources about the necessity for finding a מנין. More specifically, whether or not one has to always be in close range of a מנין, or if he can intentionally put himself in a position ...