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

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7
votes
3answers
436 views

Why a human Messiah?

I understand that Mashiach is going to be a human. What is the source for this, and are there any explanations why it must be so? Can't G-d Himself redeem us?
6
votes
3answers
333 views

What's the deal with all the washings?

Sometimes we wash with a cup, sometimes not; sometimes we wash twice, sometimes thrice; and not everyone agrees on method or pattern in all cases. Who says which ways we are supposed to wash, in ...
8
votes
3answers
2k views

Rainbow as a bad omen

There is a popular idea that seeing a rainbow is a bad sign, as if the world is deserving of a deluge (c"v) and the only reason Hashem does not do so is because of His promise. Is there any source for ...
8
votes
1answer
475 views

Halachic justification to not pray the amidah before zman t'filah?

Some Chassidic courts are not makpid (careful) to daven the morning Amidah before z'man tefilah, although this seems to be a clear halacha. Are there any opinions they are relying on? I was once told ...
5
votes
3answers
417 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 ...
7
votes
1answer
182 views

Origin of Spilling Wine by 10 Plagues

The custom among all Jews (as far as I know) is to spill a drip of wine for each of the plagues as they are mentioned in a list in the haggadah. This custom is not mentioned anywhere in the Talmud (as ...
13
votes
4answers
1k 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 ...
6
votes
2answers
788 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 ...
11
votes
2answers
349 views

Who didn't recite Kabbalas Shabbos?

In this article, R. Michael Broyde writes that: Indeed, there have been prominent halachic authorities of the last generation who did not recite Kabbalat Shabbat. Can anyone provide examples of ...
6
votes
0answers
134 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 ...
14
votes
5answers
423 views

Saying “Laberiut” “God bless you” or “Gesundheit”

Is there are source for saying "Laberiut" "God bless you" "Gesundheit" or any other response to a sneeze? In other words, are there posekim who mention it in Halacha?
12
votes
2answers
336 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?
9
votes
1answer
286 views

Embarrassing a Baal Teshuva

Be'er Hagolah at the end of Yoreh Deah 334 says that one of the things that are considered Cherem D'Rabeinu Gersom is not to embarrass a Baal Teshuva regarding his previous lifestyle. Yet when you ...
6
votes
1answer
169 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?
16
votes
4answers
610 views

Gezeira of Rabbeinu Gershom text

Does anyone know where I can find the actual text of the Gezeira of Rabbeinu Gershom? It keeps popping up in my learning, but only as being referenced, I would like to read that actual text.
10
votes
1answer
267 views

Dipping fingers in Havdalah Wine

What is the source or origin of the custom to dip one's fingers in the wine poured over the candle to extinguish it at the conclusion of Havdalah? As a side note, and a reason I'm tagging it this ...
9
votes
3answers
207 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 ...
9
votes
4answers
307 views

What is the source for Pardes?

What is the source for expounding the torah according to remez, derush and sod (along with 'pshat' the group can be referred to by the acronym PaRDeS)? These forms of hermeneutics are not found in ...
5
votes
4answers
240 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 ...
4
votes
1answer
248 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?
3
votes
2answers
183 views

Source for long payos

Where is there a source for having long payos ,and if there are sources what is the oldest source.? I am talking about the extra length besides for the halachic necessity. Like behind the ears or ...
1
vote
2answers
341 views

What is the source for a woman's voice as ervah?

What is the source that a woman's (singing) voice is considered ervah?
20
votes
2answers
265 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 ...
16
votes
1answer
478 views

Blessing the Children on Friday Night

I have noticed that many families (including my own) have the custom for the father to bless all the children on Friday night before kiddush. When and where did this custom originate, and by whom, ...
14
votes
3answers
297 views

Halachic Source for Women-Only Mikvaoth?

Some (actually many) Mikvaoth are designated for women's use only, generally for reasons of cleanliness. Is there Halachic literature supporting (or urging) this? (This question is not asking for ...
13
votes
1answer
241 views

Lechem Mishlesh?

(Based on Tosfot Pesachim 116a and Aruch haShulchan 274:5 I assume that the man did not fall on Yom Tov and double fell on Erev Yom Tov, and that this is why we have lechem mishne on Yom Tov.) When ...
7
votes
1answer
139 views

Explanation for couple not seeing each other before the wedding?

What is the source and reason for a couple not to see one another before the wedding?
6
votes
6answers
352 views

Tikkun Olam source

What is the source for the concept that Jews have to practice Tikkun Olam, and where in the classical Jewish sources is this concept defined? It seems people throw this term around a lot in the ...
4
votes
5answers
261 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 ...
17
votes
3answers
229 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?
14
votes
3answers
344 views

Is there a source for not requiring Tevilah for the first use?

I have heard (as I'm sure many others have) that one can use a utensil one time before Tevilah. At the same time, I've heard that this is a common misconception. Is there anyone who holds that this ...
11
votes
1answer
185 views

Where Rashi uses a Russian word in Nach?

I heard that Rashi uses a Russian word where he deals with the building of the Beis Hamikdash by King Shlomo. I also heard that he uses a Polish word. Does anyone know where it is?
10
votes
2answers
145 views

Source for kissing an aron

I've seen people kiss an aron kodesh (cabinet holding Torah scrolls) when they approach it and, if they were standing near it, before they leave it. Does this have any written source; or, are there ...
9
votes
2answers
244 views

What is the origin of the custom to kiss a Mezuzah?

What is the source or origin of the custom to kiss a Mezuzah?
7
votes
5answers
212 views

Meforashim and Poskim on Mas. 'Avodah Zarah and forming a curriculum

A friend and I have decided to start learning Mas. 'Avodah Zarah. Our goal, however, is not to just pick a random Masechta of Gemara and learn it with the commentaries on the Daf. Our actual goal is ...
7
votes
2answers
301 views

Fulltext search across sources: Gemara, Zohars, Rishonim and Aharonim

I know about Hebrewbooks.org for searching for sources in books, but the problem is you have to get to let's say every Masechta to look for a phrase. Is there a program (doesn't have to be free) that ...
6
votes
2answers
181 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
2answers
323 views

What is the source for the Kallah's circling the Chasan 7 times?

What is the source for a Kallah (bride) to circle her Chasan (bridegroom) seven times at their wedding?
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
1answer
173 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 ...
4
votes
1answer
139 views

Source of “Legitimate pleasures” quote

A quote that sometimes appears on the internet is the following: "Everyone will be called to account for all the legitimate pleasures which he or she has failed to enjoy." It is usually attributed ...
4
votes
3answers
96 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 ...
4
votes
2answers
180 views

Source for not having picture taken

Is there any source, halachic or otherwise, for an aversion to having one's picture taken?
0
votes
2answers
65 views

Kiddush and Havdalah

I heard that when anyone else is listening to someone make kiddush or havdalah, l’chatchilah they must be either sitting or standing depending on what the person making kiddush or havdalah is doing. ...
-1
votes
1answer
49 views

Answering Amein

One may not answer אמן to a ברכה until the ברכה is totally finished. Too often the חזן lengthens out the last word of the ,ברכה particularly on ראש חודש or יום טוב and the מתפללים answer before the ...
18
votes
3answers
639 views

Premature birth contradicting science

I am a teacher at a private all-girls Jewish high school. There are two science teachers in the school, and both of us are Christian. I was talking with my fellow science teacher recently, and she ...
14
votes
1answer
222 views

What sources, prior to the 19th century, support or refute the existence of the Council of Jamnia/Yavneh?

Multiple questions on Christianity.SE1 refer to the Council of Jamnia/Yavneh in reference to the canonization of the Bible (Tanakh). Wikipedia states: In 1871 Heinrich Graetz, drawing on Mishnaic ...
13
votes
5answers
492 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 ...
11
votes
2answers
422 views

Forbidden to eat while standing up?

I heard that it was preferred, or perhaps even required, to avoid eating food while standing. For example, as people often do at a cocktail party or a shul kiddush. With the reason being that ...
19
votes
16answers
872 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 ...