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

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0
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0answers
55 views

Segulah of saying 13 times perek 13 of tehillim

I have heard a number of times of a segulah to say perek 13 of tehillim 13 times. Does anyone know the source of such a segulah?
8
votes
5answers
294 views

Do any Rishonim discuss how to approach Rashi's commentary on gemara?

I heard a quote once how carefully a person needs to analyze every drop of ink in Rashi, but I don't remember who said it. Does any Rishon (medieval scholar) ever discuss their approach to Rashi's ...
2
votes
2answers
39 views

Muktzeh as a means to encourage cessation of labor

In his work on the laws of shabas called Kalkalas Shabas (at the beginning of the 3rd chapter), the author of Tif'eres Yisra'el introduces the topic of muktzeh by saying that the reason the sages ...
2
votes
0answers
27 views

Source for dying upon reaching a set number of words spoken [duplicate]

If I recall correctly, it says somewhere that we each have a predefined number of words to speak, after which we die. (The idea being that one should be careful not to speak unnecessarily.) Assuming ...
1
vote
2answers
119 views

Four cups of wine by the Pesach Seder — From the Torah?

I've heard there is an opinion that the daled cosos by the Pesach Seder are m'doraisa. What is the source for this (if there is one? I vaguely remember a source being in the Yerushalmi?) What Seforim ...
3
votes
2answers
120 views

Where does the proverb “as you teach you learn” come from?

I ran across the proverb "As you teach, you learn" on a list of Jewish proverbs. (Here is an example of it online.) Does anyone know its source? I saw a few cites attribute it to "Midrash Tehilim", ...
9
votes
3answers
3k views

Shaving on Friday when Lag Ba'omer falls out on a Sunday

This year (2011) Lag Ba'omer falls out on a Sunday. I've heard from a few people that the halacha is that you can shave (and take a haircut) on the Friday beforehand l'kavod Shabbos. Are there any ...
3
votes
2answers
429 views

Stealing from a non-Jew

I'm looking for the place in Mishneh Torah, I believe in Hilchot Avoda Zara V'Chukot Goyim, where it lists the prohibition on stealing ( genivah ) from a non-Jew, but I can't seem find it.
19
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16answers
857 views

About what were rabbis ahead of the times?

I have heard claims that experts in the world of Torah were significantly ahead of their counterparts in the world of natural science (or mathematics, or psychology, or…) in that they knew X ...
7
votes
1answer
109 views

Is the metamorphosis of a caterpillar into a butterfly mentioned anywhere in Rabbinic literature?

My late great grandfather was a torah scholar, but with all his learning, he never knew that a caterpillar metamorphoses into a butterfly. He was amazed when someone told him about the common ...
1
vote
1answer
57 views

Does anyone hold that בֵּית לָחֶם is also a person's name?

In Divrei Hayamim I 4:4 Hur is listed as the father of בֵּית לָחֶם. אֵלֶּה בְנֵי-חוּר בְּכוֹר אֶפְרָתָה, אֲבִי בֵּית לָחֶם The commentaries I have seen read this as he fathered people who lived ...
3
votes
2answers
176 views

How similar is orthodoxy practiced today to ancient times?

As an orthodox Ashkanazi Jew, I hear all the time that the way we practice is the same as we've been doing it for thousands of years (albeit with influences by the Ba'al Shem Tov, the mussar movement, ...
2
votes
0answers
76 views

Let's play Name that Gadol - women wearing Tallis story

There is a story that I have heard with multiple names being used as the Rabbi in the story. It goes like this: A woman came to [insert name of Torah Sage here] and said that it would enhance her ...
1
vote
3answers
72 views

What is the source that an accused criminal must have been warned?

What are the Biblical and rabbinic sources that say that someone accused of a crime, especially a capital crime, must be proved to have had a prior warning or instruction that the activity was a sin ...
11
votes
3answers
331 views

Killing Civilians in a defensive war

In the recent Operation Pillar of Defense against Gaza, many Palestinian civillians were killed by Israeli air-strikes (the Palestines claim the number is as high as 158, while according to the IDF ...
7
votes
3answers
165 views

Did the Men of the Great Assembly Canonize Tanach?

Many Jewish websites, (Aish, Jewish History, Ou), state that the the Men of the Great Assembly finalized the contents of Tanach in the early Second Temple Period. No source is brought to support this ...
4
votes
2answers
244 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 ...
8
votes
2answers
138 views

Why does the Chazzan bow when saying “Gadlu” holding the Torah?

There's a widespread custom for the Chazzan to bow, facing the ark, when reciting "Gadlu" with the Torah before carrying it away. The Aruch Hashulach (282:1) says that one should do this, but doesn't ...
2
votes
4answers
80 views

Is Earth a gift from Hakadosh Baruch Hu?

I have always been confused by the entrustment of the earth to Adam. Is the earth a gift, or do we merely have stewardship? Do any rabbbanim state an opinion, particularly whether any Acharonim weigh ...
4
votes
2answers
108 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 ...
1
vote
1answer
72 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?
4
votes
0answers
64 views

what is the source for the artscroll sidur?

what is the mesorah for the artscoll ashkenaz siddur? Is this the same nusach ashkenaz that was used in previous generations?
2
votes
5answers
346 views

Is getting angry a biblical prohibition

Is getting angry a biblical prohibition? If so, what is the source in the Torah (five books of Moses) prohibiting getting angry (preferably something explicit)?
3
votes
0answers
102 views

Looking for Source for explanation in Chafetz Chaim

R' Moshe Sherer brings an interesting explanation from the Chafetz Chaim: The reason for the Torah's double expression of my Shabbos's in ויקרא יט:ג - ואת שבתותי תשמורו is to teach us that our Shabbos ...
0
votes
1answer
33 views

Avraham, Av Hamon, Av ha'am

Avraham seems to mean a father of a multitude or exalted father. But is there any scripture that calls him Av Ha'am? A father of nations or our nation? I read an article which wrote that Avraham was ...
0
votes
1answer
43 views

Sefer Tefillah L'Moshe online

I was speaking with a sofer today and he suggested for tying tefillin knots to use a sefer entitled Tefillah L'Moshe. However, upon searching the title, I came across no fewer than three seperate ...
-3
votes
1answer
39 views

Where else in the Talmud can we find a discussion of natural disasters?

We read a passage relating to natural disasters in Taanit 5a in which Rabbi Nachman asks Rav Yitzchak to explain a passage from Kings II 8:1 in which the people are told that they will suffer through ...
2
votes
1answer
57 views

Seligman Baer tikkun

Does anyone know where to get a scan of R' Seligman Baer's tikkun korim, or other older Western European tikkunim? A complete scan of a Western Ashkenazi sefer Torah would also work.
4
votes
0answers
148 views

Source for Chazon Ish on What defines a Lamdan

I recently read an article and the author wrote the following: "The Chazon Ish described the true lamdan as “someone who spends three hours preparing to deliver a five-minute shiur, and when he is ...
3
votes
1answer
63 views

Any sources that discuss חזרה (review) programs in detail?

What sources provide details of in what frequency one should review one's material? For me, two come to mind. The Gemara (where?) that a student would review all his learning every 30 days, which ...
2
votes
0answers
35 views

What is the Source for Peyos? [duplicate]

There is a custom to let the area of hair above one's ear grow long this is manifest in varying degrees, from small, barely noticeable locks behind the ears, to long, curled locks that come down below ...
4
votes
0answers
38 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 ...
3
votes
3answers
411 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. ...
0
votes
0answers
29 views

What is the source that you can not have benefit from miracles?

There is a famous concept that a person is not allowed to have benefit from a miracle. What is its talmudic source and what does it apply to?
9
votes
3answers
445 views

A woman with dreadlocks going to the mikveh

In regards to the dinim of chatzitza by the tevillah of a Niddah the SA (Rema) in YD Siman 198 Sif 6 speaks about an interesting situation where a woman's hair was tied together by a Shin-Daled ...
1
vote
1answer
139 views

What is the source of the song Od Yishama?

What is the source of the popular song Od Yeshama? I tried searching for "עוד ישמע בְּעָרֵי יְהוּדָה וּבְחֻצוֹת" and did not find anything. I am asking because I was wondering if it should be ...
4
votes
0answers
48 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 ...
3
votes
1answer
265 views

Story of Rabbi Who Burned Out His Eyes

I once heard a story about a rabbi who was given a test by God, in which the Satan was sent in the form of a beautiful woman to entice him. He would not look at the Satan, and when pressed, he had one ...
13
votes
5answers
824 views

High School Math in the Talmud

I'm currently tutoring someone in math that has an atitude of "what's the point of all this... why would I ever need this..." (which is typical of many high-schoolers). To try to pique his interest, I ...
4
votes
1answer
300 views

Zohar's knowledge about Earth's shape

I recently heard from a rabbi that people (in the Zohar's view) were standing on the Earth's sphere both above and below, and while it was day for some, it was night for others and vice versa. If its ...
7
votes
1answer
170 views

Taanis Bechoros for a first born from a C-section

Does someone who was a first born, but was born from a C-section have to fast on Ta'anis Bechoros? The only source I know which addresses this is the Kaf HaChaim on Shulchan Aruch (470:3), who says ...
2
votes
1answer
51 views

Making a tanoim/vort for a zivug sheini (2nd marriage)

I have heard from many that there is a minhag (custom) not to make what many call a "tanoim" or a "vort" (the celebration when a couple gets engaged) for 2 people that were once divorced. They base it ...
1
vote
0answers
42 views

Shulchan Aruch HaRav Signs Omens Location?

Does anyone know where the Alter Rebbe of Lubavitch speaks about halachos of signs and omens in Shulchan Aruch HaRav? I think the Rema speaks about it in Yoreh Deah 179:4, but does anyone know if the ...
5
votes
1answer
108 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 ...
17
votes
3answers
227 views

What is the source that Parshas Parah is from the Torah?

I have read in many places that Parah could be a bliblical requirement to read. Why is that? Zachor makes sense (as it says so in the Torah here). Why Parah?
3
votes
3answers
289 views

Is whisky matured in a sherry cask Kosher?

Is whisky matured in a sherry cask Kosher? I know there is a Machlokes about this. Who holds what?
1
vote
1answer
76 views

Omitting the second half of bentching

I need some help finding sources for great people who left out the second half of bentching (i.e. everything from the harachamans and on, after the four blessings). Most people seem to have the custom ...
4
votes
1answer
87 views

What is the source for taanit dibur?

I recall meeting someone on Yom Kippur once who would not respond when I spoke to him. Instead he handed me a piece of paper which said that he was engaged in a taanit dibur, a 'fast' where that which ...
0
votes
1answer
31 views

Where can I find the concept of Davar ma'amid in the Gemara

Where in the Gemara does it talk about the concept of a Davar ma'amid in length regarding kashrut
0
votes
1answer
36 views

Finding the mishnah in tractate Pesachim that talks about beers

Can someone please tell me which mishnah in tractate Pesachim talks about the subject of the different beers regarding the laws of chametz?