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

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5
votes
1answer
69 views

What's the source that worldwide acceptance of psak makes it binding forever?

The Rambam writes in the introduction to Mishna Torah נמצא רבינא ורב אשי וחבריהם, סוף גדולי חכמי ישראל המעתיקים תורה שבעל פה, ושגזרו גזירות והתקינו תקנות והנהיגו מנהגות ופשטו גזירותם ותקנותם ...
4
votes
1answer
93 views

Source for Striking Self during Viduy

What is the earliest source for striking one's chest while reciting Vidduy?
8
votes
1answer
143 views

Beer at a Shalom Zachor

There is a common custom I have observed to serve beer at a Shalom Zachor. This is also mentioned here with some speculation about the source. What is the source for this practice?
4
votes
3answers
163 views

Is Rambam's opinion about Nidda and Zava cycle rejected?

There's a famous minority opinion of Rambam that, Biblically, the nidda and zava cycle is continuous--7-11-7-11-7 days ad infinitum, and that most Rishonim argue on him and hold the cycle is 7-11 days ...
0
votes
1answer
38 views

Where is this Radvaz?

Simcha LeIsh quotes the Radvaz siman 21 saying ואם באמת חש לסכנה הי צריך לחוש למה שכתב בשערי רחמים (דף יא) שלנתק קשר תנאים הוא סכנה גדולה, וטוב יותר לנתק קשר נישואין ע״י גט מלנתק קשר תנאים. ...
3
votes
3answers
120 views

What is the source of the expression מנהג ישראל תורה?

The earliest source I found is the Ramban who says in Pesachim 7b: ועוד נ"ל שסדר ברכות הללו של שחרית ברכות שבח הן על נוהג העולם ואפי' לא שמע שכוי מברך עליו וכן בכולן, וכן נהגו ומנהג ישראל תורה ...
1
vote
4answers
157 views

Did the Torah Sages discuss evolution

Are there examples in chazal of the sages discussing the phenomena of micro-evolution (or macro), i.e. adaptive changes in creatures.
2
votes
2answers
118 views

What's the source that יונתן בן עוזיאל passed away 26 sivan?

The tomb of ben Uzziel is located in Amuka, Galilee near Safed, Israel. It is customary to visit ben Uzziel's tomb on Rosh Chodesh, the first day of the lunar month, and on 26 Sivan (the day on ...
6
votes
4answers
135 views

History of Shabbat: how (or) did they count to align with 7th day of creation?

The Torah (Exodus 20:8-11) commands: ח: זָכוֹר אֶת יוֹם הַשַּׁבָּת לְקַדְּשׁוֹ: ט: שֵׁשֶׁת יָמִים תַּעֲבֹד וְעָשִׂיתָ כָּל מְלַאכְתֶּךָ: י: וְיוֹם הַשְּׁבִיעִי שַׁבָּת לַה' אֱלֹקיךָ לֹא תַעֲשֶׂה ...
5
votes
1answer
100 views

Source for Kissing Dropped Sefer

Is there any source for the common practice of kissing a dropped sefer?
1
vote
1answer
64 views

Maharal on Avodas Hashem

The Maharal (in Gur Aryeh in the beginning of Bereishis) says, "Our avodas Hashem through Torah and Tefillah that's how we bring forth the kavod Hashem." That's the purpose of creation is to increase ...
0
votes
0answers
14 views

Authorship of Summarized Sefer Hamitzvos

Are there any sources that claim that Rambam didnt author the summarized sefer hamitzvos (מנין מצות הקצר)?
11
votes
1answer
283 views

What is the origin of the claim that they played games to hide Torah learning prior to Chanuka

This question makes a very commonly heard claim: "Before the miracle of Hanukkah, when those who controlled the land severely restricted Torah study, Jewish children would gather to study Torah in ...
-4
votes
1answer
148 views

The blessing for not talking in shul

I read in תוכחת חיים that , "One who is careful not to speak in shul during davening will he blessed to see children, long life, great success, and will NOT suffer the pains of Gehinnom. He will never ...
1
vote
1answer
72 views

Talking in shul and churban Europe

HaRav Yitzchok Sorotzkin said the following story: The debitzener himself was present by the Second World War - r"l the holocaust: “He was standing on the last transport going to Auschwitz. All of ...
0
votes
1answer
82 views

Wrapping tefillin to create letters

When we wrap, there seems to be a prevalent custom to incorporate the shapes Dalet, Yod and Shin in the strap on the hand/arm (depending on one's custom (discussed in Sefer Ta'amei Haminhagim page 13 ...
2
votes
0answers
71 views

When did the custom of using 2 people for hagbah and gelilah begin?

Megillah 32a says: עשרה שקראו בתורה הגולל ספר תורה קיבל שכר כולן If ten have read from the Torah (meaning that at least ten verses have been read; not that there was a minyan of at least 10 ...
3
votes
0answers
38 views

Length of time for waiting for hard cheese proportionate to the length of time it was aged

In a Halachic pamphlet I saw before Shavuos this year, it mentioned an opinion that one must wait after eating hard cheese one hour for every month it is aged (so if it was aged three months, three ...
2
votes
0answers
37 views

Errors in Bais hamikdosh administration

am interested in locating as many clear places in Mishnayas and gemorro that refers to administrative problems in the bais hamikdash and how handled Eg yoma and error in determining time for the ...
1
vote
1answer
56 views

Memorization of the Talmud by Tosafists

I have heard a story (referenced here for example) about R. Isaac of Dampierre making sure that each tractate of the talmud be memorized by one of his students. What are the earliest sources for this ...
-2
votes
4answers
99 views

Torah atones for all sins

I once read a quote that said, "Learning Torah atones for all sins." Does anyone know where this Menachos, Kesubos or Eruvin?
4
votes
3answers
179 views

Sources about the Kosher status of Royal Jelly

Royal Jelly ("a glandular secretion and its color is a whitish yellow. Its consistency is creamier and less viscous than honey. Its taste is bitter, although not offensively so.") according to this OU ...
1
vote
2answers
390 views

The level of the man is determined by his wife Talmud

I remember learning something like the following in Gemara shiur. That if the man is not good and his wife is good, he will be good And that if the man is good and his wife is not good, he ...
2
votes
2answers
94 views

Does the Torah predict anti-semitism?

Are there verses in the torah (preferably 5 books of Moses) which predict the phenomena of anti-semitism, ie the irrational hatred of jews throughout history.
3
votes
2answers
155 views

Earliest source for the words Daas Torah

In this question Bruce James ponders "How can I know a Rav has Daas Torah". I am wondering what is the earliest source that gave this concept its name?
5
votes
3answers
167 views

What does Judaism say about meditation?

According to recent scientific studies, it has been found that regular meditation has various benefits such as better focus, reduced levels of stress, etc. Knowing that the roots of meditation comes ...
2
votes
1answer
69 views

Multiple brochos for one food type?

It has come to my attention (from a local Rabbi) that one is required to say a brocho on each and every bit of food he/she eats, unless he/she was thinking about that particular food at the time of ...
0
votes
0answers
39 views

Where is the Medrash about natural disasters showing Hashem is boss?

I recall coming across a Medrash that said, in passing, every couple of years Hashem brings about a disaster to show that he controls the world (or perhaps that we don't). This idea, I've seen in אור ...
1
vote
1answer
142 views

The Chofeitz Chayim on World War Three

I read the following: בְּשֵׁם הֶ'חָפֵץ חַיִּים' כָּךְ בִּשְׁנַת תשע"ה 75 שָׁנָה אַחֲרֵי פְּרוֹץ הַשְּׁנִיָּה צְפוּיָה לִפְרֹץ הַמִּלְחָמָה הַשְּׁלִישִׁית שָׁמַעְתִּי מֵהגה"צ ר' צְבִי מֵאִיר ...
0
votes
5answers
118 views

Rabbi Nosson Finkel and angels

I read in Something To Say on page 31, the following: Rabbi Nosson Finkel of Slobodkah once chided a student for being chronically late to the morning prayers "Rebbi," the student defended himself, ...
0
votes
1answer
36 views

Ki Ein by Yonatan Shlagbaum

I was listening to song called Ki Ein by Yonatan Shlagbaum. Here are the words to his song: He כי אין הקב"ה אוהב אלא למי שאוהב את ישראל וכל מה שאדם מגדיל אהבתו לישראל, גם הקב"ה מגדיל עליו Where does ...
2
votes
2answers
62 views

Source for Maaser Money

Several questions on this site Ask about 'maaser money', giving a tithe of one's income to charity. What is the source for this practice?
4
votes
1answer
227 views

Midrash About God Repeating Words of Torah

I am drawing a blank as to the source of this midrash, that when a person learns Torah, at the same time God is learning that same section, or that He repeats what the person said? (Hopefully I am ...
1
vote
2answers
74 views

Help with finding a Pirkei Avot Citation

Hebrew Wikipedia writes, commenting on the well known quote "אבות אכלו בוסר, ושיני בנים תקהינה:" אבות אכלו בוסר ושיני בנים תקהינה הינה סוגיה דתית-פילוסופית מרכזית ביהדות ובדתות אחרות. פסוק ...
0
votes
1answer
72 views

Ein Halakha K'niflag

This article cites a principle in the name of R. Saadya Gaon and Rambam that אין הלכה כנפלג. He cites כתבים לגר"י קאפח, ח"ב עמ' 557. Where can this be found in the writings of the Geonim or Rambam? ...
7
votes
1answer
282 views

Why does one have to put on Tefillin every day?

Technically, one should wear Tefillin all day. We don't, since we can't keep ourselves clean the whole day. But we still put it on once a day during Shacharis, since we can presumably keep ourselves ...
1
vote
1answer
88 views

Who wrote the Toldos Aharon on Chumash?

Most Chumashim contain a commentary, called Toldos Aharon, which cites which gemara cites each verse (kind of like a reverse Torah Ohr). Who wrote it?
1
vote
2answers
134 views

Things to do on one's Hebrew birthday

The Ohr Yisrael says that on one’s birthday, it is proper to engage in introspection and seek ways to improve himself(1), Daven for the amud (2), and to give extra money to tzedaka(3)" 1) Ohr Yisroel ...
3
votes
0answers
108 views

Who came up with this story?

It says in Mekor Baruch (of Rabbi Baruch Epstein) The Rosh Yeshiva of Volozhin, the Netziv, was once sitting down surrounded by several high-caliber students – avrechim versed in Torah, wise, and ...
2
votes
2answers
280 views

Exactly how should the shaliach bow for Barachu?

In every synagogue I have been in, the shaliach zibur has bowed in some way at Barachu. I presume there must be a foundation for this. If so, there should be a correct way to bow. I am seeking clarity ...
2
votes
0answers
79 views

Game theory in the Tanaim

I read an article a while back (maybe over a year ago?) in the Mishpacha English Magazine (I'm pretty sure, although it may have been in the Ami) that discussed a certain machlokes Tanaim about how to ...
5
votes
1answer
80 views

What's the source that Rabbi Akiva's students stopped passing away on Lag BaOmer?

The source of Rabbi Akiva's students passing away during Sefira is from the Gemara in Yevamos 62b רבי יהושע אומר נשא אדם אשה בילדותו ישא אשה בזקנותו היו לו בנים בילדותו יהיו לו בנים בזקנותו שנא' ...
3
votes
0answers
48 views

Location for medrash cited by the Chizkuni

The Chizkuni in Parshas Achrei Mos 16:22 writes that the ish iti (the person who would take the goat to har azazel) would not live through the year. He cites from a medrash that the person knew he was ...
3
votes
1answer
110 views

Where is “no Tachanun” on Pessach Sheni documented? [duplicate]

In almost every Siddur I have checked - as well as all the Luach's around, it says not to say Tachnun on Pessach Sheini - 14 Iyar. Yet I cannot find a source for it, nor in Shulchan Aruch neither in ...
1
vote
1answer
108 views
+50

Authorship of Mishna

The Gemara in Yevamot 5oa clearly assumes that R. Yehuda Hanassi authored the Mishna: אמר רב יוסף כאן שנה רבי משנה שאינה צריכה Are there any tannaic sources that also state that he authored the ...
1
vote
1answer
76 views

Words of Torah Need Not Be Enunciated

Ritva (commentary to Brachos 15b) writes that Torah need not be enunciated out loud during study. Which other Rishonim espouse this view? I am not asking regarding side issues such as verbal ...
4
votes
1answer
69 views

Origin of “May God Avenge His Blood” (הי"ד)

What is the origin (i.e earliest usages) of appending הי"ד ("May God Avenge His Blood") after the name of a murder victim.
2
votes
2answers
102 views

Why Does the Torah Cycle start/end on Simchat Torah?

If the Torah was given on Shavu'ot, wouldn't it be logical to make that day the time to start the reading cycle (or, at least, line up the yearly cycle so I am up to the narrative of matan torah ...
-1
votes
4answers
71 views

Achieving greatness through torah study

Is there any source that says when one lowers himself (i.e. his dignity) or suffers embarrassment to learn Torah, he achieves greatness?
4
votes
2answers
85 views

Divine Names for Judgement and Mercy

I have been told that the name of God אלוקים‏, Elokim represents the מידת הדין‏ or aspect of judgement, and that the name יקוק‏, the ineffable name represents the מידת הרחמים or aspect of ...