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

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5
votes
0answers
40 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 ...
2
votes
2answers
169 views

Source? The day you were born was the day Gd decided the universe could no longer exist without you

I am looking for the source for the following quote The day you were born was the day Gd decided the universe could no longer exist without you The greeting card I saw it on said the quote was ...
9
votes
3answers
191 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 ...
6
votes
1answer
199 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
650 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 ...
14
votes
1answer
202 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 ...
2
votes
2answers
157 views

Segulah for having a boy

I have heard before that a segulah for having a boy is to have relations with one's wife twice in one night. I remember hearing this in the name of Chazal. Does anyone know the makor for it?
8
votes
3answers
235 views
3
votes
2answers
138 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, ...
16
votes
3answers
585 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 ...
8
votes
1answer
148 views

Where does Ramban discuss OCD and the mikvah?

I was told that the Ramban writes regarding women who have awful problems using the mikvah because they keep worrying they're not clean enough -- in today's terms, we call that obsessive-compulsive ...
4
votes
2answers
85 views

Naming a child after two relatives

I once heard Rabbi Shmuel Niman, Mashgiach Ruchani of the Chafeitz Chaim Yeshiva, say that he had "recently learned" that it is improper to give a child parts of the names of two relatives. For ...
2
votes
1answer
86 views

Chazzon Ish and Parshas Parah being D'Oraisa

I heard today that the Chazzon Ish says that the reason Parshas Parah is m'doraisa (See here) is because of the pasuk: והזהרתם את בני ישראל מטמאותם "And you shall separate the children of ...
1
vote
2answers
66 views

“Lo Plog” in Shas

In a case of a gezera or any other issur that might not apply to a particular person (for whatever reason) we often still say it does because of a "lo plog". In order that we shouldn't make ...
2
votes
1answer
129 views

The order of the wording of the Ben Sorrer U'Moreh source Mishnah

In Mishna 1 of of the Eighth Perek of Masechet Sanhedrin it states that we know the ages in which the halachot of ben sorrer u'moreh apply from the fact that the Torah says "ben" (boy) and not "ish" ...
2
votes
1answer
91 views

Source that a woman is considered to have a bris milah

I recall learning, I think in mesechtas kiddushin, that a woman is the (halachic?) equivalent of a man who has had a bris milah performed. In other words, since she does not have the same organ she is ...
3
votes
3answers
106 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 ...
2
votes
0answers
39 views

Charging interest to “your brother”

A deleted post from a long time ago made the claim that [W]e are [allowed to charge interest to other Jews] but not from immediate family. Even from another Jew, if he or she is not a member ...
8
votes
2answers
155 views

If two separate studies intersect, is it a good sign?

There is an expression that I have always heard, which is that when two separate Torah studies one is learning happen to reference each other, it is a good sign. A variant of this that I've heard is ...
3
votes
1answer
68 views

Is the name of God associated with bris milah?

I recall learning, but have no source for, the fact that part of what is achieved by the bris milah process is a form of etching (part of?) the name of God into the makom ha'milah. What is the ...
3
votes
1answer
76 views

What is a “migu”

A popular topic discussed sometimes at length in Yeshivas I would like to pose the question here with a few additional points: What is a "migu"? How is it used in Shas? What is a "classic" (or the ...
3
votes
2answers
116 views

Vashti was never Killed

I was told that the Chacmie Tzarfas said that Vashti was never Killed Does anyone have a source for this view in a shiur or inside? Rashi (Esther 1:19) says that she was executed.
3
votes
2answers
104 views

What route did Bnei Yisrael take through the Midbar? Seeking sources

The question of which route the Israelites took from Egypt to the Holy Land has been asked for centuries and discussed by pseudo-historians and pop-sci documentarians in the History Channel age, and ...
5
votes
1answer
96 views

Where was it first said that “The generation is diminishing and diminishing”? (הדור הולך ופוחת)

in Hebrew we have an adage that says “הדור הולך ופוחת” ("Hador holekh wepocheth"), meaning “the generation is getting more and more diminished", which may have meant that there are fewer and fewer new ...
-5
votes
4answers
317 views

Seeking Clear Definition of God in Judaism as Presented in Tanakh [closed]

I am curious to know if/how God is crisply defined in the Torah: What is God and what is God not? For example, here is what can be considered a crisp definition of God in the Quran (necessary ...
5
votes
1answer
143 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 ...
2
votes
0answers
90 views

Water from the Kohanim washing their hands by nei'lah

I heard about a minhag the other day (for the first time) and was wondering if there is any makor for it. I was told that people ran out to "catch" the water that was used to wash the Kohanim's hands ...
3
votes
2answers
184 views

Which Talmudic source for Ḥanukah is the real source?

What is the Talmudic source for Ḥanukah? In discussing candles for Shabbath, the Talmud (Shab. 21b) goes into a discussion about candles generally, touching upon Ḥanukah candles, and ultimately asks, ...
2
votes
1answer
99 views

Rashi: Caleb married Miriam

I remember reading a rashi on Chumash that quoted a Chazal (I believe sota 12) that says that Caleb married Miriam. Anyone know where this rashi is
2
votes
3answers
167 views

Midrashic sources regarding the Sea splitting into twelve paths

Tehilim 136:13 says: לְגֹזֵר יַם סוּף לִגְזָרִים כִּי לְעוֹלָם חַסְדּוֹ To Him Who cut the Sea of Reeds asunder, for His kindness is eternal. Rashi's commentary indicates that this is ...
6
votes
3answers
361 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?
4
votes
3answers
117 views

Where and when is the earliest attestation of the word “mohel”?

Where is the earliest attestation of the word mohel for one who performs the act associated with a ritual circumcision? When was it written? What language is it? [Inspired by Why is there a ה in ...
7
votes
1answer
131 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?
9
votes
1answer
392 views

Kissing and Hugging one's wife

What does it say about chibuk and nishuk (kissing and hugging) shelo b'shas tashmish (not during relations) with one's wife in Sifrei Halacha or Hashkafa? Among madrichei chassanim (those that teach ...
1
vote
1answer
97 views

Looking for more information on the bridal virginity blessing

The blessing on bridal virginity is recorded in the Halakhot Gedolot but dismissed by the Rambam in Teshuvot Harambam, II:364-365, #207. What is the original source for this blessing? Do other ...
0
votes
2answers
150 views

Berachot in Kriat Shema

I'm sorry if the question is too general, but I was just wondering about Berachot Kriat Shema. What exactly are they? What kind of relationship do they have with the Shema? We need to make a Beracha ...
3
votes
1answer
166 views

Which Rabbinic source claimed that the Rambam “killed” the demons?

I've heard many times that the Rambam "killed" the demons rather than simply denying that they ever existed. Which Rabbinic source claims as much? Because the Rambam himself seems to have said that ...
7
votes
5answers
197 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 ...
3
votes
1answer
88 views

Wearing wool Tzitzis on Shabbos

Is it better to wear wool tzitzis? indicates that it is better Halachically to wear a woolen Beged with woolen Tzitzis. Recently I met a fellow who the entire week wears cotton Tzitzis, yet on Shabbos ...
0
votes
0answers
87 views

Learning Hilchos Chalev and Seder Kodshim as segulah for Refuah

A friend of mine was recently in Eretz Yisrael. When he was here he visited many Gedolim to get brachas for his son who was born with a number of birth defects. He was by R' Chaim Kanevsky to a get a ...
1
vote
1answer
101 views

Story with Rav Safra — halacha l'maseh?

The following story is brought down in Rashi in Makkos Daf 24a (Found in Sha'iltas D'Rav Ahai Gaon) והכי הוה עובדא דרב ספרא היה לו חפץ אחד למכור ובא אדם אחד לפניו בשעה שהיה קורא ק"ש ואמר לו תן ...
2
votes
2answers
86 views

The source to be Dan L'Caf Zechut

From where do we know that one must be "dan" someone "l'caf zechut"? (that we must judge someone favorably even though from a certain act it might seem they are doing something?
3
votes
2answers
112 views

Shechting non-Kosher animals

The question was asked: If someone for example is sick and must eat from a non-kosher animal. Must it be shechted (slaughtered) first like a kosher animal? I don't see any reason why it should, since ...
3
votes
1answer
234 views

Who wrote Tohar HaYichud?

Who wrote the anonymous rationalist debunking of kabbalah entitled Tohar HaYichud?
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 ...
1
vote
1answer
224 views

Going to a wedding of a gentile

It says in SA YD Siman 152 Sif 1 that it's ossur to go to a wedding (seudah) that a gentile is making for his son. The Shach and Taz both discuss over there if for reasons of "aiveh" if one is allowed ...
5
votes
1answer
75 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?
15
votes
1answer
431 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, ...
3
votes
1answer
92 views

Referring to parent in third person

I have seen some homes where the children refer to the parent in third person as a sign of respect (Would Abba like to...). I'm curious to know if this practice is brought down in any sefer and if in ...
3
votes
4answers
196 views

Looking for Toldos Yeshu (1705 version). Does anyone have?

I'm researching the story that the Christian Apostle Simon -- later Saint Peter -- was actually a Jewish plant who was instructed by the rabbis to change Christian observances and beliefs to make it ...