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

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2
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1answer
87 views

References in the Talmud or Rishonim to marijuana or any non-alcoholic drug use?

Are there any references in the Talmud, Rishonim, or earlier sources that discuss marijuana or any non-alcoholic drug-use? Specifically drug-use for recreation, i.e. not specifically for medical use. ...
5
votes
2answers
84 views

Source For Ahavat Chinam; Unwaranted Love

I have often heard the term Ahavat Chinam unwarranted love referenced as the antidote to sinat chinam unwarranted hate. What are the earliest sources for this (first) expression, particularly in the ...
5
votes
1answer
66 views

Did Rav Saadiah Gaon really phrase the bracha as “Sim shalom b'olam . . .”?

In Or Hadash, the commentary on Siddur Sim Shalom (the American Conservative siddur), it states that the nineteenth bracha of the Amidah was intentionally reworded from the the standard ...שׂים ...
8
votes
4answers
904 views

From where do we know that sexual intercourse with a non-jewish woman is forbidden?

From where do we know that a jewish man cannot have sexuel intercourse with a non-jewish woman? What say the Kabbala about this ? Is it related to dark forces, "qelipoth"?
1
vote
3answers
170 views

I saw someone claim that, “In Zohar of Pinchos, that an Eishes Ish is לזר מותרת if her husband allows.”?

I saw someone claim that, "In Zohar of Pinchos, that an Eishes Ish is מותרת לזר if her husband allows.", while I doubt this, and have not seen this inside, has anyone seen this inside? (Parshas ...
4
votes
2answers
148 views

What is the source for lighting a candle for the whole year after the death of a close relative?

I am familiar with the idea of a yahrzeit candle. I have observed a custom of keeping a flame alight for the whole year (or maybe 11 months) after the death of a close relative. (When one goes out, ...
7
votes
1answer
92 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?
2
votes
0answers
39 views

Location of source for a midrash of Zipporah on Har Sinai?

A friend was expounding a midrash to me about Zipporah but was unaware of the provenance. The story involves Zipporah, prior to meeting Moshe, searching for her lost flocks near Har Sinai. She ...
3
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0answers
24 views

Source in the Torah that the entire Torah is immutable [duplicate]

The title pretty much says it all. But I am looking for a posuk that states that all contained in the Torah applies forever and for all generations, and cannot be changed, etc. I am pretty sure that ...
4
votes
1answer
84 views

Source for Striking Self during Viduy

What is the earliest source for striking one's chest while reciting Vidduy?
7
votes
1answer
220 views

Rambam claiming some of Hazal were superstitious

I forgot where, but I remember reading the Rambam z"l saying that some Hazal believed in superstitions, ideas such as ayeen haro because they lived in small villages with lack of science, and ...
3
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1answer
50 views

Feeling compassion for re'shaim and the mitzvah to hate

There are certain (specific) cases where it is correct or even a mitzvah to hate someone else. [See The following sources: Tehillim 97:10 and 139:21, Amos 5:15, Mishlei 8:13, Pesachim 113b, Sefer ...
0
votes
1answer
56 views

Where can the Phoenix be found in Jewish Sources?

What are the earliest sources that refer to the mythological Phoenix in Judaism? No need for the name to "phoenix" or "עוף החול" (the modern Hebrew name), but I'm looking for an immortal bird which ...
1
vote
1answer
55 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 ...
3
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2answers
68 views

Salvation of Hashem

I read on Rabbi Wein's website the following: With the absence of wishful thinking and of recognition of the true facts of the reality of our situation there must also be a sense of a better future. ...
1
vote
0answers
36 views

History of ḥalāqah/Upsherin (אפשערן/חאלאקה) [duplicate]

What are the earliest sources for these customs? i found mention of the custom amongst Sephardim of Eretz Yisrael in the Kether Shem Tob. But that only mentions it for Eretz Yisrael, and doesn't ...
0
votes
2answers
104 views

Where does Rav Dessler mention that root word of אהבה is הב?

I read in one of Rav Dessler's books where he says that the root word of אהבה is הב, which means "give" in Aramaic. Does anyone know where he mentions this?
2
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2answers
61 views

Quote from Chazal

I read in Real Power on page 47, the following: “If you are not going upward then you are automatically falling downward.” —Chazal Does anyone know if this is a Gemara or Medrash etc.?
7
votes
3answers
110 views

Why do many boys begin learning Gemara with Elu Metzios?

There is a popular custom for boys to start their Gemara studies with Elu Metzios (the 2nd Perek in Bava Metzia). The Gemara (Bava Basra 175b) does say that financial laws are conducive to becoming ...
2
votes
1answer
193 views

Where does the Taz say that beer gives us life?

There is a Taz on the topic of yoshon (old grain) that says something to the effect of: כי עיקר חיינו תלוי בשכר While it's an awesome quote out of context, the basic pretense is that since the ...
1
vote
1answer
88 views

Not responding to insult

Someone told me that one who is insulted but does not respond, has the ability to give berachos to people. Is there a source to this?
8
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1answer
374 views

Is the Gemara (Shabbos 116b) quoting the New Testament?

The Gemara in Shabbos (116b) seems to have two quotes from the New Testament, but I'm not sure. ברא וברתא כחדא ירתון - sons and daughters should inherit together and אנא לא למיפחת מן ...
2
votes
1answer
68 views

Targum Pseudo-Jonathan in Rabbinic Literature

The Gemara Megillah (3a) implies that Onkelos translated just the Chumash, whereas Yonattan ben Uzziel translated just Nevi'im: וא''ר ירמיה ואיתימא רבי חייא בר אבא תרגום של תורה אונקלוס הגר אמרו ...
6
votes
1answer
214 views

Where does the custom to spill off 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?
4
votes
2answers
1k views

Converts to be treated as if they were born Jewish

There is a scripture in the Tanakh where G-d clearly says a convert to Judaism is to be treated,as if he were born a Jew. I've seen it but can't seem to find it. Perhaps one more knowledgeable then I ...
2
votes
2answers
85 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.
0
votes
1answer
37 views

Source for Chuppa Poem

What are the earliest sources for the מי בן שיח שושן חוחים poem commonly recited at chuppot?
0
votes
0answers
40 views

Source For Keeping Holy Books Out of Bathroom

What is the earliest source for keeping holy books out of the bathroom? כי הוה בעי למיעל לבית הכסא כי הוה נקיט ספרא דאגדתא הוה יהיב לן כי הוה נקיט תפילין לא הוה יהיב לן אמר הואיל ושרונהו רבנן ...
2
votes
1answer
91 views

Looking for the source of the statement: עבודה צורך גבוה

I've seen the statement עבודה צורך גבוה used in different places. I assume it probably has an original context in חז"ל. Could you point me to the location(s) of its original use? Here's one text that ...
5
votes
1answer
81 views

Chafez Chayim checked copies of (which) books?

I've heard that the Chafetz Chayim inspected each page of each printed copy of the Mishna B'rura to be sure that it was printed correctly (with no large ink splotches or the like). Is there a ...
0
votes
1answer
54 views

Hashem testing a person

The Chofetz Chaim al Torah says, Chazal teach in bereishis rabbah, "Hashem does not elevate a person to greatness until He first tests him." Where in bereishis rabbah do chazal say this?
1
vote
1answer
60 views

Loshon hora and Torah lectures

Where in hilchos loshon hora, does the chofetz chaim say that ridiculing Torah lectures is a form of loshon hora?
3
votes
1answer
43 views

Is Havdalah Mideoraita or Mideraban?

Is saying "אתה חננתנו"/הבדלה on מוצ''ש is it מן התורה or not? On one hand I remember hearing it is מן התורה as it part of "זכור" but on the other hand I've heard its only מדרבנן Please provide ...
0
votes
1answer
66 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? ...
0
votes
1answer
74 views

Kollel avreichim who are not learning (properly) are rodfim?

I was told that Rav Amnon Yitzchak quoted the Chazon Ish saying that men in kollel who are not learning properly (or something to that effect) are considered rodfim. Can anyone source this Chazon ...
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0answers
59 views

Giving money to a shul

Someone told me that giving money towards a shul in order to enhance and beautify the physical structure of the building is a mitzvah. Is there source for this?
1
vote
0answers
25 views

PreRishonic sources against the tekhelet half-string

What are the classical (pre-rishonic) sources explicitly or implicitly against the view of the Rambam that the tekheleth string is only half-dyed?
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0answers
45 views

The pre-Maimonidean half-tekheleth string

Are there any sources prior to the Rambam that suggest (even implicitly) that the tekheleth string is only half-dyed?
1
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4answers
141 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.
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votes
1answer
37 views

Disciplining one's mouth

Where do the words: כל רגע ורגע שאדם חוסם את פיו, זוכה לאור הגנוז שאין כל מלאך ובריה יכולים לשער, originate from?
5
votes
1answer
59 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
3answers
130 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 ...
3
votes
2answers
54 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 ...
0
votes
1answer
28 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. ...
2
votes
2answers
115 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
108 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
82 views

Source for Kissing Dropped Sefer

Is there any source for the common practice of kissing a dropped sefer?
7
votes
1answer
238 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 ...
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)?
-2
votes
4answers
80 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?