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

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207 views

What is the source for Rambam's “physician's oath”?

A physician friend pointed out to me the Rambam's "physician's oath" (it doesn't look like an oath per se, but that's what it's called), which begins (in English): The eternal providence has ...
5
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3answers
261 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 ...
5
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1answer
142 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 ...
5
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1answer
201 views

Drinking the wine that spills over the cup during Kiddush

There is a widespread custom among the Jewish people to fill up their kiddush cup to the point that it overflows. This overflowing of wine symbolizes Hashems blessing overflowing in our lives. I was ...
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0answers
38 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 ...
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0answers
77 views

Minhag of bothering the chazzan on Simchas Torah

I have seen the custom of bothering the chazzan during the musaf service on Simchas Torah. I have seen people tie the chazzan's gartel to a chair, or try to move the chazzan to a diffrent place. I ...
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0answers
114 views

Which rabbi said “if a horse had the mind of Kant …”?

I recall hearing in yeshiva that one great rabbi -- I think one of the baalei mussar? once said: If a horse had the mind of Kant, it would author volume after volume of great philosphical works -- ...
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1answer
97 views

Source for this Remez expansion of יד שחט דם

There is an acronym for the liquids that make things able to be made ritually impure. The Halacha is in order for fruit and the like to be made ritually impure it has to be made wet with these ...
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5answers
237 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 ...
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3answers
162 views

Are there any Jewish sources which discuss the existence of auras or energy fields?

Are there any Jewish sources which discuss the existence of auras or energy fields? Is it permissible to learn about them and be involved with them for healing purposes?
4
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1answer
173 views

Where is the source not to walk over someone because it stops him growing?

I have been brought up with the belief not to walk over someone because it can stunt their growth. Can anyone else here say where they have also heard of this? If yeah, where is the source?
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2answers
60 views

Where can I find the Rav's hesped for R Chaim Ozer Grodzinsky?

I am looking for the text (in Hebrew) of R' JB Soloveitchik's hesped for R' Chaim Ozer Grozhinsky, unofficially titled "HaTzitz vehaChoshen" which was written before RJBS broke away from Agudah.
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2answers
206 views

Will we follow Beis Shammai in times of Moshiach?

I've heard a few times that in the times of Moshiach the Halacha will follow the opinion of Beis Shammai. What is the source and reasoning for this? Is it true? We will no longer follow Beis Hillel ...
4
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1answer
298 views

Reciting a Posuk representing your name at end of Shemona Esrei - source?

Many Sidurim mention in the name of the Shela that one should say a Posuk at the end of Shemona Esrei that begins and ends with the same letter as ones name. Does anyone know where in the Shela this ...
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5answers
202 views

Sources for/about breaking a plate at a wedding

Are you aware of any literature that either provides a source for or discusses the significance of the two mothers breaking a plate at the "Tisch" at a wedding? It's not hard to find mentions of this ...
4
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2answers
138 views

Eruv around towns for the purpose of carrying

I was learning the first few chapters of Eyruvin, and I wondering which of the mishnas are the source (or inspiration more likely) for the idea of a string around an area that allows one to carry ...
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2answers
175 views

Source for not having picture taken

Is there any source, halachic or otherwise, for an aversion to having one's picture taken?
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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 ...
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1answer
78 views

Prohibition on paskening halacha when one is drunk

The Gemorah in Beitzah 4a says that Rav wouldn't give a drasha on Yom Tov after eating the seudah because when he would give a drasha he would be moreh halacha (give over halachic rulings) and this is ...
4
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2answers
135 views

What is the halachic source for the minhagim of mourning during Sefira?

What is the earliest halachic source for the minhagim of mourning during sefira? Note that this does not mean the story of R' Akiva, I'm talking about halachic references to prohibitions such as not ...
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1answer
86 views

Rashi's biography sources

I know that Rashi had daughters — either two or three — and no sons. I also know he was a vintner — meaning he made wine. I know he was a student of or student of a student of Rabenu Gershom. I guess ...
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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 ...
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1answer
281 views

Zohar's knowledge about Earth's shape

I recently heard from a rabbi that people (in the Zohar's view) were standing on the Earth's sphere both above and below, and while it was day for some, it was night for others and vice versa. If its ...
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2answers
112 views

Story about “simple Teshuva” via never telling a lie

I read a story over shabbas from Tales of Tzaddikim, Bamidbar pg 251-252, Published by Mesorah Publications, and it quoted it from Sefer Chassidim, Siman 6407. I opened up my Sefer Chassidim and the ...
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2answers
99 views

Did HaShem “regret” creating someone/something

I heard once that it says somewhere in Chazal that there were certain things or people that HaShem "regretted" (had "charatah") in creating. Although I don't remember which examples were given or if a ...
4
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1answer
204 views

Do Jews believe the content of Maccabees (I-IV) is true?

This related question touches on the book of Maccabees. I was wondering if Jews believe the content of Maccabees (I-IV) is true, even though it is outside the canon. If any of the Rishonim or ...
4
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1answer
92 views

Midrash on children and the letter shapes?

I've heard about a midrash that discusses a day when little children took over the study hall and, by interpreting the shapes of the Hebrew letters, articulated many of Judaism's most powerful ...
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1answer
50 views

Source for Gemara about Gedalia

Where can I find the Gemara which this speaker is talking about ? In short, he quotes a Gemara which talks about Gedalia. Gedalia heard that Yishmael was coming to murder the people of the town but ...
4
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1answer
60 views

Counting years according to the solar calendar

I once heard there is an opinion in Rishonim (maybe Gaonim?) that says we count ones years of life according to the solar calender. So for example a boy would become bar mitzvah when he would turn 13 ...
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4answers
297 views

How do we know that God does not take human form?

Christianity believes that God takes human shape in the form of Jesus, and comes down to earth as a man. Of course, Jews do not believe that God ever takes the shape of a human, but how do we know ...
4
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1answer
66 views

Source and reason for throwing the Hoshanos on top of the Aron Kodesh

I have seen in many Shuls on Hoshana Raba after using the Hoshanos people throw the used Hoshanos on top of the Aron Kodesh. What is the reason and source for this Minhag?
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3answers
234 views

Source in Jewish writings for Moshiach?

What is the source in Jewish writings (Pre-Rambam) that there is a concept of a Moshiach, and his nature?
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3answers
1k views

Eating at a shiva house

What is the basis for some people's practice not to eat the food at a shiva house; is there a halachik basis for this, is it a minhag or perhaps just superstition?
4
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1answer
52 views

Shechita for chicken

What is the halachic source requiring us to ritually slaughter chicken specifically, and was there ever a time in history that Halachic Jews ate chicken without first performing ritual slaughter?
4
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3answers
92 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
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1answer
230 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?
4
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1answer
203 views

What is the origin on metziztah b'peh?

Is metzitzah b'peh of biblical origin or was it instituted by the rabbis? What is the source for this practice?
4
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1answer
95 views

Source in Tosafos for playing ball on Yom Tov

I know there is a Tosafos in Beitza 12a that discusses playing ball on Yom Tov, but I remember learning another Tosafos which said something like "for children under nine it would be permitted on ...
4
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1answer
52 views

Gemara on volunteering?

I heard that there was a Gemara to the effect of "volunteers cost more than employees because their motivation is not as good" -- or somesuch. Any ideas? Thanks.
4
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2answers
204 views

Color meanings in Judaism

Do colors have a specific symbolic meaning in the Torah? (For ex. is it brought down anywhere that blue is holy?)
4
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1answer
92 views

What is the source for a Bar Mitzva seuda?

What sources are there for our minhag of doing a Bar Mitzva Seuda (meal), and do the sources state that the seuda must specifically be done on the day of the Bar Mitzva (or the night of)? And is this ...
4
votes
1answer
80 views

Is there a stated freedom to contract?

In the United States (and other countries), there is the notion of the freedom to contract. This is the idea that two people of sound mind have the right to enter into any contract with one another ...
4
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1answer
333 views

Tzitzit tying: the real way

1)There are two authentic ways to tie the Sisit (Tzitzis) that have sources. Maran writes to make 7-9-11-13. First question: why does he write this is he then says Gimtarya Hashem is One, when in fact ...
4
votes
1answer
88 views

Where is the Rabbinic prohibition of tattoos discussed?

According to the gemara in Makkos 21a, it seems that the biblical prohibition of tattoos only extends to tattoos made for religious purpose. However, the vast majority of poskim all seem to imply that ...
4
votes
1answer
50 views

What is the source for taanit dibur?

I recall meeting someone on Yom Kippur once who would not respond when I spoke to him. Instead he handed me a piece of paper which said that he was engaged in a taanit dibur, a 'fast' where that which ...
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1answer
103 views

Where does the Talmud discuss the reason for Onan's death?

Genesis 38 says that instead of impregnating Tamar, Onan let his seed go to waste, and that this angered God, and therefore God killed Onan. I have a vague memory of reading somewhere in the Talmud ...
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1answer
169 views

Why are wedding invitation abbreviated b'rachos different for males and females?

Many wedding invitations written in Hebrew that I've seen have the abbreviations נ"י - after the groom's name - and תחי'‏ - after the bride's name. (Example) Sometimes they are slight alterations ...
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1answer
242 views

Have poskim written about partnership minyanim?

Are there any contemporary responsa regarding partnership minyanim, such as Shira Hadasha and Darkei Noam? Various rabbis have written against it (e.g., R. Student, R. Rothstein, R. Firmer) and it ...
4
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1answer
184 views

Source for story of Rashi, the King, and the Four Horsemen

There is a story (you can read the details here) about Rashi telling a King that he will conquer Yerushalaim for 3 days and return with 3 horses and 3 riders. The King returned with 4, but as they ...
4
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1answer
108 views

Is the idea that there is always at least one illness with an unknown cure - a Jewish idea?

I have heard many times that there will always be at least one illness that is uncurable. Is this a Jewish idea? What is its source?