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

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6
votes
1answer
287 views

Walking around the house after shiva

I'd heard something about how some people, when getting up after the week of "sitting shiva" (mourning), take a walk around the outside of their house before going back to "normal" life. Has anyone ...
6
votes
4answers
173 views

Concept that time is a spiral

I've heard that there is a concept in Judaism of time in a spiral, but I'm not sure where that idea originally comes from (specifically, which Rabbi originally said it). The earliest I've found is Rav ...
6
votes
2answers
197 views

What is Ruach Rah

Right in the beginning of Shulchan Aruch we see this idea of "Ruach Rah". In regards to washing ones hands and all that comes before that -- not walking more than 4 amos without washing one's hands, ...
6
votes
1answer
140 views

What is the origin of the dispute on which way to wrap tefilin shel yad?

Non-Chasidic Ashkenazim wrap their tefilin shel yad inward toward the body when coming over the top of the arm, while Sefardim and Chasidim wrap outward away from the body when coming over the top of ...
6
votes
2answers
174 views

Rubbing the Havdalah wine

Is there any source for the practice of not only dipping one's fingers into the Havdalah wine that was used to extinguish the fire and rubbing the eyes with it, but also spreading it around onto other ...
6
votes
1answer
168 views

Where does the custom to spill of from a drink come from?

I had a lubavitcher classmate in high school who used to spill off from his cup whenever he would drink anything. He claimed it was a minhag. What is the reason/source for this practice?
6
votes
3answers
193 views

Sources discussing paying for Torah education

I am looking for sources that discuss the idea of paying tuition money ("schar limud") towards obtaining a Torah education. Topics of interest include: The importance of paying tuition for Torah; ...
6
votes
2answers
766 views

A Convert taking on customs of ashkanazim or sephardim

When someone converts is there any determining factor on what minhagim (customs) they will take upon themselves in terms of Ashkanazim or Sephardim? Should it be dependent on the Beis Din they ...
6
votes
2answers
153 views

“Tzon k'doshim!” ―“Baa!”: source/provenance

In some synagogues, on Simchas Tora, someone will shout "Tzon k'doshim!", meaning "holy sheep/goats", or "Tzon kadashim!", meaning "sheep/goats of sacrificial-offering sanctity". He's replied to with ...
6
votes
1answer
53 views

Halachot of IVF

Does anyone know of any good teshuvas or sefers giving an overview of the halacha of in-vitro fertilization IVF? (Feel free to also give overviews in your answers, but I'd appreciate links to the ...
6
votes
4answers
199 views

Marrying a wife that is older than you?

What is there in the Torah about (lichatchila) marrying a wife that is years older than you?
6
votes
1answer
198 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 ...
6
votes
1answer
211 views

Where is the text of Friday night Kiddush from?

There is a fairly uniform text for Kiddush Friday night. There are some differences between the Ashkenazi and Sfardi versions, but they are mostly very similar. What is the source for the text? As ...
6
votes
1answer
94 views

Why recite the fourth Berachah of Bentching in a case of doubt?

If someone is in doubt whether or not to Bentch, we take the strict approach and require the person to Bentch, as it is a Biblical requirement (see here), unlike most Berachoth, for which the rule is ...
6
votes
1answer
204 views

Custom of not eating by other people on Pesach

There is a custom that many have to not eat by other peoples houses on Pesach. Seemingly it's even if they have the same chumras or perhaps even more chumras (what I've learned over time is not ...
6
votes
2answers
231 views

Exact model of the Beis Hamikdash?

There is a "classic" model of the Beis Hamikdash (I think it's from the HolyLand model). Are there any sources for the decisions taken in the model (for example, what components were done based on ...
6
votes
1answer
179 views

No mitzvah to wear tefillin every day?

I heard that the Bet HaLevi and the Peri Megadim hold that there is no Mitzva for a person to don Tefilin everyday. Can someone source these opinions and explain exactly what they are meaning to say?
6
votes
1answer
61 views

Source that “Yehi Khevod” should be said with special intensity

Some editions of the ArtScroll siddur have the following instruction before Yehi Khevod (in pesukei dezimra): The following prayer should be recited with special intensity. What is the source ...
6
votes
1answer
129 views

May one propose with an engagement ring?

Are there any Halachic issues with giving a girl a ring while asking her to marry him? Are there any sources that discuss the sha'alah of safek Kiddushin, etc?
6
votes
1answer
105 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 ...
6
votes
1answer
328 views

What is the danger in cutting fingernails in order?

The Ramo (OH 260:1) writes that one should not cut their fingernails in order; rather he should cut them by skipping neighboring nails and cycling through all the fingers. וכשנוטל צפרניו לא יטול ...
6
votes
3answers
181 views

Custom of Rov speaking before Krias HaTorah on Shabbos

I've been in a number of shuls where the Rov of the shul will get up before Krias HaTorah on Shabbos and say some sort of "drasha". Sometimes it was connected to the parsha or inyunei d'yoma (i.e. ...
6
votes
0answers
132 views

Rishonim saying Ester took place during the second bayis

Elsewhere on this site, avi cited sources to the effect that, contrary to the Bavli (M'gila), the events recounted in the book of Ester took place after the second bes hamikdash was built. Do any ...
6
votes
0answers
208 views

Origin of the allegory of the long spoons

A common version of the allegory of the long spoons tells how Rabbi Hayim Elhanan ben Yehudah Leyb Tsedek or Tzadikov (*1813, ✡1883) of Rumšiškės went to see the difference between Heaven and Hell. ...
6
votes
0answers
90 views

“Nahhat Ruahh l'Yotzro” source

At the end of מוסף לשבת in דרכי אבות השלם (p. 375), a quotation is written in the name of רבי יהודה: אמר רבי יהודה: אשרי מי שעמלו בתורה ועושה נחת רוח ליוצרו Can anyone help me find the exact ...
6
votes
0answers
117 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), ...
6
votes
2answers
204 views

Is there any source for saying the first possuk of Shema quietly?

The Rema in OC 61(26) says the custom is to say the first possuk of the shema aloud. In this question Sh'ma aloud but amida quietly Gershon Gold said that Shema is said aloud in unison and msh210 ...
5
votes
3answers
396 views

Source of Burning Lulav with Chometz

What is the source of the custom to keep the Lulav untill Erev Pesach and burn it with the Chometz?
5
votes
2answers
218 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 ...
5
votes
1answer
161 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
2answers
113 views

Metzudat Tzion on the Torah

Was there a Metzudat Tzion written on the Torah? If so, does anyone know if it is available online or for sale? I always loved this commentary as it explained the hard words on the Nach.
5
votes
1answer
67 views

When is the Halacha like Raba and when like Abaye?

I've run across variations of the following: קיימא לן דהלכתא כרבא בכל מקום פרט ליע"ל קג"ם That the halacha is like Raba in every place in the Talmud except six place where it is like Abaye. The ...
5
votes
3answers
412 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 ...
5
votes
2answers
147 views

What is a source that allows one to treat one's house as all within four amos?

I am after a source that allows one to treat one's house as all within four amos l'chatchila, with respect to nagel vasser (hand washing in the morning).
5
votes
2answers
601 views

What's the source for naming children after Alexander the Great?

I know many Jews whose actual bris-given name is Alexander, and this has been a popular name even among great tzaddikim of the past (such as R. Alexander Ziskind). I've heard a legend (mentioned on ...
5
votes
4answers
236 views

Do a mitzva for mashiach?

I recently saw in The Moshiach Times, a popular Chabad-Lubavitch publication for children, an exhortation to "do a mitzvah for moshiach": to do a mitzva with the specific purpose of hastening the ...
5
votes
3answers
226 views

Why is Moshe (mostly) absent from the haggadah?

Somebody asked at my seder this year why Moshe is largely absent from the magid. I have heard that the reason is because we're supposed to focus on God, and also that Moshe was very humble and there ...
5
votes
2answers
126 views

Ari Zal and Sefira

Many people do not take a hair cut until the end of Sefira (including Lag B'Omer) because of a position of the Ari Zal. Where is the Ari Zal? What is the source for this? Did the strigency of the Ari ...
5
votes
1answer
54 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 ...
5
votes
3answers
101 views

Source of Midrash regarding Yaakov's saying Shema

There is a famous Rashi in Parashat Vayigash (46:29) where Rashi explains that Yaakov didn't cry on Yosef's shoulders because he was reciting Shema. He cryptically quotes this in the name of ...
5
votes
5answers
232 views

Do Animals Have an Afterlife

What does Torah say about an afterlife for animals? Is there somewhere animals go after they die? Please include the sources of your answers.
5
votes
1answer
82 views

Is there any concept of “troubling” G-d?

Is there any idea mentioned on Judaism of not wanting to "trouble" G-d with something too trivial? Obviously, G-d is infinite, and it's no more trouble for Him to do a thousand things than it is to do ...
5
votes
7answers
249 views

Sources for/about breaking a plate at a wedding

Are you aware of any literature that either provides a source for or discusses the significance of the two mothers breaking a plate at the "Tisch" at a wedding? It's not hard to find mentions of this ...
5
votes
2answers
181 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
302 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
81 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
77 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
272 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
72 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
124 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 ...