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

learn more… | top users | synonyms (2)

4
votes
3answers
642 views

Where is it taught that you can't sleep with socks

I remember hearing that you can't sleep with socks. I think Rambam stated this (correct me if i am wrong), but where in Rambam was it said and why do we do it?
2
votes
1answer
106 views

Rambam (Maimonides), talks about different kinds of people

I have heard in school from our teacher that Rambam talks about different kinds of people, one that sees things he does not understand and disregards them as nonsense, another who when faced with ...
8
votes
1answer
125 views

what is the source for the artscroll sidur?

what is the mesorah for the artscoll ashkenaz siddur? Is this the same nusach ashkenaz that was used in previous generations?
6
votes
2answers
57 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
1answer
108 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
votes
1answer
138 views

Kashrus Explained

A close friend of mine asked me to fire this question at the mi.yodeya community so here goes: "I came across this rather interesting rendition of "kashrus Explained", not sure who authored it, but I ...
7
votes
3answers
104 views

Which commentators commend Yosef for noticing his fellow prisoners' sadness?

Toward the end of Parashat Vayeishev, Yosef is imprisoned along with two of Par'oh's chief servants. Starting in Gen. 40:6, the Torah tells us that he notices that they look sad, asks why, and ...
1
vote
1answer
65 views

What side is a newborn supposed to nurse from first?

I have heard that there is a gemara that discusses what side a newborn is supposed to breastfeed from first. If this is true, where is this gemara and what's the idea behind it?
4
votes
2answers
131 views

Whence the minhag to light in shul by day?

In pretty much every shul and yeshiva I've been in has lit Chanukah candles by shacharis, the same number of candles that were lit the night before. What is the source for this custom, and why is it ...
3
votes
1answer
207 views

Could the minhag of lighting menorah in Shuls have developed from when guests would stay in Shul?

Could the minhag (=custom) of lighting menorah in synagogues have developed from when guests would stay in the synagogue? Does anyone bring this as a source for the minhag? If so, would it not apply ...
3
votes
4answers
675 views

Are Jews allowed to listen to music that is performed by non-Jew?

I am machmir on only listening to music that was performed by a Jew, but i don't really understand it. Does anyone know what is the source for this? Does Matisyahu perform with only Jews?
3
votes
3answers
257 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, ...
6
votes
0answers
35 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 ...
5
votes
0answers
31 views

Looking for a particular idea from Reb Yonason Eibshitz

I recall reading a quote from Reb Yonason Eibshitz concerning a judge on a beis din of 23 faced with a strange situation. The defendant seems to the judge to be guilty of murder, but this judge is the ...
0
votes
0answers
37 views

Sources about learning to defend oneself

Are there any Torah sources that talk about the need to learn self-defense?
8
votes
1answer
151 views

Source for Categorization of Matter

What is the source for the idea that all matter is either domem (lifeless), tzomeach (plant), chai (animal), or medaber (speaker)? I sometimes find this quoted places (in articles and divrei Torah), ...
2
votes
3answers
163 views

Mashiach arriving upon the observance of Shabbat

Does anyone have a source for the suggestion that: If all Israel respected the Sabbath if only one single day, the Messiah would come immediately, for it is written: “Today if you were to listen ...
3
votes
1answer
226 views

Drinking medicine with a straw on shabbas

I saw on Revach.net questions about drinking with a straw and it mentioned that the Mahrsham held that drinking medicine from a straw might be considered a shinui and permitted on shabbas. Does anyone ...
3
votes
0answers
60 views

The opinion that microwaves don't need to be kashered

So I remember hearing this opinion that followed like this: "Microwaves do not need to be kashered because the means of cooking in a microwave are different than those spoken about in the Gemara." ...
3
votes
2answers
204 views

Cairo Geniza Controversy

What are the arguments against using manuscripts from the Cairo Geniza? Are there any Seforim / articles that discuss this debate?
0
votes
2answers
94 views

meaning of words and tefillah

The Kitzur Shulchan Aruch (6:1) tells us, “When one makes a berachah he should have in mind the meaning of the words.” Is there any halachic source (i.e. Kitzur Shulchan Aruch, Shulchan Aruch or ...
3
votes
1answer
52 views

Where does R' Ovadia Yosef write that women can contribute towards a Minyan for lighting the Menorah?

I know there is another question that discusses others sources: I am specifically looking for the source in יביע אומר quoted in ילקוט יוסף תרעא:טו בית כנסת שעדיין לא הגיעו המתפללים להתפלל מנחה ...
9
votes
4answers
166 views

Sources for free will of angels

I want to define free-will for this question as a moral right and wrong decision, not an arbitrary decision or a true/false decision. I am familiar with sources that say that angels do not have free ...
0
votes
1answer
37 views

Is Julia Donaldson's “a squash and a squeeze” based on a Jewish source?

The children's book 'A Squash and a Squeeze' by Julia Donaldson is about a woman who feels that her house is not big enough. She meets a 'wise old man' (who looks uncannily like an old chassidish ...
2
votes
0answers
29 views

Reading Tehillim on Klaf

Anyone know of a source to read Tehillim from Klaf? I have heard it's something more special than reading from a regular sefer.
2
votes
1answer
83 views

Champagne and hechsher

I have heard (without a source) that some who were makpid to purchase only wines with hashgachot would consume wine from Champagne without a hechsher, probably because gentiles typically do not use ...
2
votes
1answer
73 views

Seligman Baer tikkun

Does anyone know where to get a scan of R' Seligman Baer's tikkun korim, or other older Western European tikkunei-korim? A complete scan of a Western Ashkenazi sefer Torah would also work. Edit: I ...
2
votes
3answers
71 views

What was the main job duty of Sar Hatabahim?

The word Tabah means to cook. In modern Hebrew, a Mitbah is a kitchen. In Arabic, Tabaha means "he cooked". And yet, from what I can find, nearly all Biblical commentators, Jewish and gentile, by the ...
7
votes
1answer
61 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 ...
-1
votes
0answers
30 views

Me'am Lo'ez and embarrasment

I heard someone quote the Me'am Lo'ez in Bereishis which states that when a white person expresses embarrassment one can see the color appear in his face, but when black person expresses embarrassment ...
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 ...
7
votes
5answers
2k views

Is there a reason to cover your yawn?

My 9th grade Rebbi told us that we have to cover our mouths when we yawn to avoid evil spirits entering our bodies. Is there any source that says this? If not, is there any other Jewish reason, ...
1
vote
0answers
102 views

Walking In-front of Someone Davening Shemona Esrei

I read somewhere that shtenders, chairs, tables and benches aren’t considered an interruption between the one davening and one passing before him unless the shtender is 10 טפחים tall by 4 טפחים wide. ...
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 ...
2
votes
3answers
308 views

Where (in Talmud) does it say that people can see others' faults, but not their own?

Rav Michael Munk zt"l, quoted Bava Basra (16b) in his sefer The Wisdom in the Hebrew Alphabet, page 178, which states the following: Many people see very clearly when observing the faults of ...
2
votes
3answers
62 views

“Lamah zeh tish'al l'shmi” — zeh shmi

Bereishit 32:30 וַיִּשְׁאַל יַעֲקֹב וַיֹּאמֶר הַגִּידָה נָּא שְׁמֶךָ וַיֹּאמֶר לָמָּה זֶּה תִּשְׁאַל לִשְׁמִי וַיְבָרֶךְ אֹתוֹ שָׁם is usually translated as: And Jacob asked and said, "Now ...
5
votes
1answer
36 views

Comprehensive treatments of the prohibition of bribery

I would like to educate myself about the nature and scope of the Biblical prohibition of "bribery" ("Shochad") and any associated Rabbinic prohibitions, as well as any derived ethical principles. I am ...
5
votes
1answer
87 views

Alternative Approaches to Prophetic Follow Through

This question discusses differences between positive and negative prophecy. The mentioned idea states that, while positive prophecy will always occur, negative prophecy may be negated by repentance. ...
2
votes
1answer
34 views

Rav Moshe and Giving Your Time for Charity

I recall hearing that Rav Moshe Feinstein rules that one should donate a tenth of his time to learn with other Jews, in addition to the more commonly accepted 'tithe' of money. The only source I was ...
5
votes
1answer
307 views

Source for eulogy of lost bookcases

I recall learning a gemarah (Bavli) where a certain scholar passed away and when another scholar was asked to eulogize him he responded with something akin to, "What should I say? We lost our ...
4
votes
0answers
43 views

Choreography of Kaddish

I have seen a number of different customs of when people bow or sway or bob or whatnot during Kaddish. Some of the people I have witnessed have been very knowledgeable, and I assume they weren't just ...
4
votes
1answer
91 views

sources that neatness brings brocho/mazal

I heard in a daf yomi shiur on the end of Moed Katan (27a ‘Couch of Fortune’) that Jews kept an extra neat bed for brocho/mazal. One of the reasons that he gave was that in general neatness brings ...
9
votes
1answer
224 views

May one propose with an engagement ring?

Are there any Halachic issues with giving a girl a ring while asking her to marry him? Are there any sources that discuss the sha'alah of safek Kiddushin, etc?
12
votes
1answer
1k views

Is there anything wrong with inviting friends to a bris?

I have a friend - let's call him 'A' - who's married; His wife gave birth to a boy. I asked another friend of mine, if 'A' invited him to the bris. He told me that one is not supposed to invite ...
1
vote
1answer
44 views

The earlier an idea in the Torah is presented, the more primary it is

I remember hearing or reading once that ideas/lessons taught early on in the Torah (she'biksav), say in Be'reishis, are more primary ideas than those that are presented later on. My question is, does ...
24
votes
20answers
1k views

About what were rabbis ahead of the times?

I have heard claims that experts in the world of Torah were significantly ahead of their counterparts in the world of natural science (or mathematics, or psychology, or…) in that they knew X ...
0
votes
1answer
102 views

Rav Shlomo Wolbe and children

I heard someone quote Rav Shlomo Wolbe from his sefer זריעה ובניין בחינוך saying, “We have blood on our hands for forcing children to daven so much way before bar or bas mitzvah..." Does anyone know ...
1
vote
1answer
53 views

Source for dirt of a mitzvah is good

I heard somewhere that when an object was used for mitzvah purposes and becomes dirty because of it, that the dirt is not something to be ashamed of -- it's even something good! Some examples of this ...
1
vote
0answers
32 views

Source for guest bed in Sedom as a parable for education

Shalom has quoted R. Yakov Kaminetsky as saying: R' Yaakov Kaminetsky pointed to the Gemara about the "guest bed" in Sodom, where if you were too short they stretched you; too tall, they cut off ...
1
vote
3answers
377 views

Where is it taught that Hashem doesn't give a person test that he can't overcome?

I heard various rabbonim say that Hashem doesn't give a person test that he can't overcome. Where is the source for this?