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

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7
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2answers
190 views

The Split Between Sefardim and Ashkenazim

How did this split happen historically and halachically before Shulchan Aruch, and why is not like having two Torahs? Where is the source for the split?
7
votes
1answer
62 views

Why do the mothers break the plate?

At a wedding [or by the engagement], a plate is customarily broken at the "tena'im." This has already been discussed over here. As I have seen at weddings, and as is brought over here the custom is ...
7
votes
2answers
210 views

Are there any scriptural sources that Hashem loves each Jew individually?

Are there any scriptural sources that Hashem loves each Jew individually? I know there are pesukim (verses) that deal with how Hashem treats or views Am Yisrael (the Jewish nation) as a whole, but ...
7
votes
1answer
83 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 ...
7
votes
1answer
47 views

Does anyone have any resources on voluntary prayer/tefillah n'dava?

I was recently learning Rambam's hilchot tefilah from Mishneh Torah. After outlining the five kinds of statutory recitiations of the Amidah, he states that just as an individual (but not the tzibur) ...
7
votes
1answer
146 views

Sources for Jewish Education system today

The western educational system (to the definition of western that includes Japan) today, especially in the United States, but also in other western industrialized countries is an adaptation of the ...
7
votes
1answer
179 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 ...
7
votes
2answers
199 views

The order of Tehillim

Sefer Tehillim (Psalms) consists of 150 mizmorim, most likely compiled (and perhaps even entirely written) by King David. The mizmorim are not in chronological order following the events that inspired ...
7
votes
1answer
66 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 ...
7
votes
1answer
160 views

What is déjà vu?

Déjà vu is the strong feeling that one has already experienced a particular situation, while that situation is occurring. Theories abound as regards what it is, what causes it and what possible ...
7
votes
1answer
170 views

Origin of the nine days

I just learned a gemara (taanit 30a) that seems to pretty clearly state that the mourning for tisha b'av starts the beginning of the week that tisha b'av falls out on, and ends with tisha b'av itself. ...
7
votes
2answers
222 views

Is there any reason to deny aliens?

Is there any reason that we couldn't believe in life on another planet somewhere? Is there any source that indicates to the contrary?
7
votes
0answers
124 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 ...
6
votes
3answers
236 views

List of people in Tanach

Can I find anywhere a comprehensive list of every single person that is mentioned in Tanach. Including somewhat "biographical" information, who they were, family, what they did, how they fit into ...
6
votes
6answers
380 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 ...
6
votes
2answers
189 views

How/why does kaparot work?

The ritual of kaparot [lit. atonement], which is usually done just prior to Yom Kippur (usually the day before), where one waves a chicken or an [unspecified] amount of money over one's head in a ...
6
votes
3answers
241 views

Are there any Sefardi Posekim that permit the consumption of Chodosh in Chutz LaAretz?

Are there are any Sefardic Posekim that permit the consumption of Chodosh in Chutz LaAretz just like the Ashkenazim's Heterim? Preferably Aharonim or contemporaries.
6
votes
1answer
420 views

Waiting after using the bathroom before having relations

Where is it brought down that one should wait after going to the bathroom and before having relations. I have heard this before and 2 reasons given. One is that because of the "ruach rah" in the ...
6
votes
2answers
362 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?
6
votes
2answers
108 views

Shavuos as a Marriage

There is an idea (which I initially became familiar with in my misspent youth from tamei sources but subsequently have seen it mentioned in tahor one's) that Shavuos is, as it were, a marriage between ...
6
votes
3answers
78 views

Why is Techiyas HaMeisim not explicitly mentioned in the Torah?

Since believing that Techiyas HaMeisim is part of the Torah is a fundamental of Judaism (Mishna Sanhedrin Perek HaChelek, although the Rambam Hilchos Teshuva Chapter 3 doesn't emphasize the believing ...
6
votes
3answers
353 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 ...
6
votes
2answers
202 views

Hagala for a new pot

I know that there is a halakhic necessity to tovel a new pot. However, has anyone ever heard of the halakhic necessity to do hagala on a new pot? Reason for asking was this.
6
votes
4answers
204 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
1answer
161 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
220 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
89 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?
6
votes
2answers
59 views

What is the valley of deep darkness (or shadow of death) in Psalm 23?

In Tehillim 23, David says "Even when I walk in the valley of darkness, I will fear no evil for You are with me". Someone asked me if this "valley of darkness" is metaphorical or physical and, either ...
6
votes
2answers
188 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
174 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
4answers
252 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
3answers
212 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
881 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
160 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
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 ...
6
votes
1answer
70 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
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 ...
6
votes
1answer
226 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
108 views

Source for # times chai?

I often see donation requests with amounts in multiples of $18. I would like to know the source for giving charity of the numeric value of the Hebrew word chai (18) and its multiples.
6
votes
1answer
96 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
205 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
241 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
194 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
2answers
91 views

Where does throwing apples comes from

There are some videos of chassidic rebbes throwing apples. I am aware of the concept of shirayim but I would like to know why the apples are thrown specifically instead of handed out. I'm also ...
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 ...
6
votes
1answer
339 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
1answer
102 views

Where does this midrash (for Vayetze) come from?

Yeshayahu Leibowitz, in his book, Accepting the Yoke of Heaven, quotes a midrash before concluding his parsha analysis: All those things which Jacob wished to refrain from, came upon him. He ...
6
votes
3answers
195 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
3answers
293 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 ...
6
votes
0answers
36 views

Did Prof. Rabbi Umberto Cassuto have any insight behind the biblical character Yehudah?

I am the great grandson of Umberto Cassuto, Benyamin Enzo Rocca, and 5 days ago my wife and I were blessed with a son (3rd child). With his upcoming bris in a few days I would like to know if anyone ...