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

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1
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1answer
49 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
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1answer
124 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
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2answers
259 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 ...
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0answers
21 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 ...
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2answers
52 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 ...
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1answer
160 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 ...
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0answers
63 views

Sources about learning to defend oneself

Does the Torah require one to know how to defend one's self if attacked?
3
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3answers
788 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
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1answer
124 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 ...
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1answer
151 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
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2answers
97 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
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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
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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 ...
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1answer
77 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
135 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
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1answer
214 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
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4answers
787 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
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3answers
273 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, ...
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0answers
46 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 ...
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0answers
36 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
164 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
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3answers
187 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
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1answer
233 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
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0answers
68 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
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1answer
57 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
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4answers
182 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
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0answers
40 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
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1answer
94 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
77 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
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1answer
107 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
106 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 ...
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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, ...
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0answers
113 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
107 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
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3answers
326 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
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3answers
68 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
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1answer
39 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
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1answer
97 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
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1answer
49 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
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1answer
316 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 ...
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0answers
60 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 ...
9
votes
1answer
319 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?
13
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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 ...
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1answer
132 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 ...
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1answer
60 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 ...
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0answers
39 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 ...
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3answers
383 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?
2
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1answer
107 views

Where did the Vilna Gaon praise remaining silent?

I once heard someone quote the Vilna Gaon saying, “For every second that one remains silent he will merit reward of a magnitude that is beyond the comprehension of even of malochim (celestial beings). ...
5
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1answer
135 views

Source for saying Shir Hama'alos but not Al Naharos Bavel

I have noticed that most people say Shir Hamaalos before bentching at their Shabbos and Yom Tov seudos. However, I have noticed very few people say Al Naharos Bavel before bentching on a weekday. As ...
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1answer
224 views

Christianity as a test for jews

I was looking for sources demonstrating Christianity as a test for Jews. My search began when I was reading Rambam in Mishneh Torah (Laws of Kings 11:4; English): [...] Can there be a greater ...