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

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4
votes
2answers
138 views

If one gives a food gift on Shabbos, does the one who receives it need to use it on Shabbos?

The Halacha is that one may give a food gift to another on Shabbos. (See Dose of Halacha for more details). If I give a bottle of wine, do they need to open it on Shabbos, or can they choose to keep ...
-3
votes
1answer
51 views

Elazar ben durdayah and the Metaphors

The Gemara in Avodah Zarah (17a) says: “When Elazar ben durdayah was at the moment of the onset of cohabitation, [the harlot] blew with her mouth and said to Elazar, “Just as this current of air ...
-1
votes
1answer
72 views

Rav Chaim Friedlander and Avos

In Avos (1:14) it says, If I don’t reprove myself and push myself to do mitzvos, who will do it for me? Who will admonish me and encourage me to do what is right? Someone mentioned that Rav Chaim ...
4
votes
1answer
54 views

Source for statement that we don't know how to rebuke today

I recall hearing that someone, perhaps R' Yisroel Salanter, said that today we do not know how to respectfully give rebuke, and therefore we are all in the category of onus regarding the mitzvah of ...
0
votes
1answer
38 views

The Alshich HaKodosh and temporal

I heard someone mention the following: The Alshich HaKodosh says, "How great is folly of those people that involve themselves in the physical, material and temporal. Because we have seen a generation ...
1
vote
0answers
39 views

Ramban and the generations

I heard someone mention the folowing: The Ramban in the writings on sefer koheles make an interesting diyuk. Koheles (1:4) tell us, “A generation goes and a generation comes.” The Ramban tell us that ...
2
votes
1answer
56 views

Sefas Emes and your mission

Someone mentioned that the Sefas Emes quotes in the name of the Chiddushei HaRim on that Mishnah (Avos 1:14), אם אין אני לי מי לי, וכשאני לעצמי מה אני, ואם... The Sefas Emes says, Every yid has ...
8
votes
1answer
301 views

Sherlock Holmes-ian deduction in the Talmud

I remember learning a story in the Talmud (I think) and am trying to find the source. I'm a little fuzzy on the details, but this is what I remember. There was a Talmudic Rabbi who was sold into ...
4
votes
2answers
98 views

Prishus in Jewish Marriage

I know that there is a concept of prishus (going beyond the letter of the law, and abstaining from things that are really allowed) within Jewish marriage, but what exactly does this constitute, and ...
2
votes
3answers
97 views

What's the source for the line “Nebach an Apikoirus”?

I've heard that R' Chaim Brisker said that "Nebach An Apikorus is Oichet an Apikorus" (A "poor" heretic is still a heretic). What's the source and what does it mean? Does it mean that, for example, ...
5
votes
1answer
160 views

Ring and kiddushin

Where did the concept of the chosson (groom) giving the kallah (bride) a ring, specifically, for kiddushin (i.e. under the chuppah) come from?
4
votes
1answer
127 views

Should single men not sit at corner of the table?

I heard that there some say that single men should not sit at the corner of the table, because it could lead to someone staying single forever. Is there a source for this idea?
1
vote
1answer
48 views

Eliyahu HaNavi and bris

Someone once told me that when Eliyahu HaNavi comes to a baby's bris, everyone who is presently there is forgiven for their sins. Does anyone know the source for this?
7
votes
1answer
110 views

Where does the Maharsha mention the Bermuda Triangle?

Someone once told me that the Maharsha talks about Bermuda Triangle in meseches berachos. Does anyone know where the Maharsha speaks about it?
13
votes
2answers
255 views

Do we have any proof (Biblical or other Judaic) that current-day Arabs have lineage from Yishma'el?

I am relating my question to Hashem and Arabs. Offhand, I thought that Islam claims ties to Yisma'el. If true, I don't know how or why it makes that claim. If it's all Arabs, even non-Muslims, how do ...
1
vote
0answers
20 views

reading secular lecture or knowledge [duplicate]

Is one allowed to read secular lecture/ knowledge (i.e. technology, science or history etc.) for pleasure reading? Does the Torah or halacha explicitly tell us what one should distance himself from ...
2
votes
2answers
49 views

Fruit Leather in Gemara Sukkah

It's been a while since I learned Sukkah.... Does anyone know where the Gemara talks about where the wine from נסכים goes; through an אמה (canal) to a container, where it sat and congealed until it ...
5
votes
1answer
158 views

Why is the Miracle of Oil mentioned so much later than records of Chanukah celebrations?

The miracle of oil isn't really mentioned until the Talmud, and is absent from all earlier sources for Chanukah like the Books of Maccabees, Josephus, and others. I have seen historians claim that ...
1
vote
0answers
62 views

Sources about learning to defend oneself

Does the Torah require one to know how to defend one's self if attacked?
3
votes
3answers
763 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
119 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
148 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
90 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 ...
3
votes
1answer
145 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
106 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
74 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
134 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
212 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
767 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
271 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
45 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
35 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 ...
8
votes
1answer
162 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
180 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
231 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
66 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
1answer
55 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
181 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 ...
2
votes
0answers
37 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
92 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
3answers
74 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
91 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 ...
6
votes
1answer
104 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 ...
6
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
109 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
103 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
319 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
65 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
37 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
96 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. ...