Questions tagged [sources-mekorot]

Questions seeking sources for a given practice in general or in specific Jewish communities, alternatively seeking the location of a specific source of a teaching/idea/philosophy based on Torah writings.

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2answers
311 views

The Split Between Sefardim and Ashkenazim

How did this split happen historically and halachically before Shulchan Aruch, and why is not like having two Torahs? Where is the source for the split?
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2answers
264 views

Mental Telepathy

In Rabbi Immanuel Schochet's introduction to the fundamentals to proving religion. He mentions mental telepathy as a phenomenon that although uncommon does exist. https://www.youtube.com/watch?v=...
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1answer
1k 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 ...
8
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2answers
484 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 ...
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3answers
795 views

Is praising non-Jews actually prohibited?

The gemara Avodah Zara (20) explains that praising a non-Jew is a violation of "lo sechaneim", and this is quoted in the Rambam (Hil. Avodah Zara 10:6) and the Shulchan Aruch (Y"D 151, and Shach s.k. ...
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1answer
195 views

Source for Expression: “There is No Prophet For His Own Town”

There is an expression: אין נביא לעירו which apparently refers to the lack of control or respect wielded by local authorities over their own populace. The earliest source I know for this is the ...
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2answers
282 views

The concept of the “Tzadik” in Chasidut

I've recently started to learn about Breslev Chasidut and was amazed by many great advices of Rabbi Nachman zt'l but I am very confused to read things about the so called Tzadik of the Generation e.g. ...
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2answers
143 views

Know who the Tanna/Amora is before trying to understand what he said?

The Maharats Chiyus (or Chayos) writes in his Mavo HaAgados that not all of Chazal were born equal, so to speak. More specifically, that among Chazal, there are different levels of intelligence, ...
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1answer
120 views

Why don't we pray P'sukei D'Zimra before Mincha or Maariv?

EDITED for clarity/Specificity. It is my understanding that the halakhic basis for p'sukei d'zimra is primarily from the following sources: Shabbat 118b in which Rabbi Yosei says "let my portion ...
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2answers
376 views

Why does the Chazzan bow when saying “Gadlu” holding the Torah?

There's a widespread custom for the Chazzan to bow, facing the ark, when reciting "Gadlu" with the Torah before carrying it away. The Aruch Hashulach (282:1) says that one should do this, but doesn't ...
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1answer
124 views

Facing east by Barchu and Modim

I was never taught to do this one way or another, but as I got older I noticed that most people seem to be particular about facing eastward when answering/bowing for Barchu and Modim. Are there any ...
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104 views

Why is it in the merit of flags that Klall Yisoel becomes worthy to be redeemed?

I saw in the Midrash Tanchuma on Parshas Bamidbar the following: (Source provided by Sefaria.org) אָמַר לָהֶם הַקָּדוֹשׁ בָּרוּךְ הוּא, בָּעוֹלָם הַזֶּה, נִתְאַוֵּיתֶם לִדְגָלִים, וּמִלֵּאתִי ...
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1answer
379 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?
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2answers
202 views

If two separate studies intersect, is it a good sign?

There is an expression that I have always heard, which is that when two separate Torah studies one is learning happen to reference each other, it is a good sign. A variant of this that I've heard is ...
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97 views

Source of opinion that Talmud Yerushalmi was corrupted by Karaites

In the entry for Talmud Bavli/Yerushalmi in Chida's Shem Hagedolim Hashalem (c.1800, the older versions do not have this paragraph), he references a theory from maskilim of his time that the Rabbis ...
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140 views

Half Jew half Gentile

I always thought it was a misconception to be "half-Jewish". Usually the speaker means one of their parents are Jewish, making them either fully Jewish or fully Gentile. However, I saw today that the ...
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1answer
100 views

Success of the Younger Brother

While the Torah appears to exemplify the status of a Bechor (first born) - there appears to be a pattern throughout the Tanach of the younger brother carrying on the legacy and success of their ...
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6answers
3k 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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2answers
965 views

Sources for the world being round in the Gemara

Can anyone bring me proofs from the Gemara that proves the world was round-and that this was known 2000+ years ago? I have looked around and I can't seem to find any sources which prove this.
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280 views

Metzudat Tzion on the Torah

Was there a Metzudat Tzion written on the Torah? If so, does anyone know if it is available online or for sale? I always loved this commentary as it explained the hard words on the Nach.
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2answers
632 views

Things that come from the heart

There is an often-quoted saying that things that come from the heart enter the heart, i.e., if something is said sincerely, the listener knows, and if it is said insincerely, the listener knows ...
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2answers
307 views

Rav Hirsch and Black Slavery

I once saw Rav Hirsch make a passing reference to black slavery in America in his Collected Writings, but no longer remember where. Does anyone know where this might be?
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1answer
613 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?
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930 views

what are the origins of the requirement for a minyan?

From what is the requirement for ten adult Jewish males for certain prayers derived? I kind of assumed this may be in some way related to Abraham's struggle to find the righteous males in the cities ...
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283 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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4answers
286 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 ...
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1answer
167 views

Source for Kissing Dropped Sefer

Is there any source for the common practice of kissing a dropped sefer?
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1answer
738 views

Waiting after using the bathroom before having relations

Where is it brought down that one should wait after going to the bathroom and before having relations. I have heard this before and 2 reasons given. One is that because of the "ruach rah" in the ...
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4answers
1k views

Source for the prohibition against Nivul Peh (foul mouth)

What is the source for the prohibition against Nivul Peh (using foul language)? Is it Biblical? Rabbinic? "Asmachta" (based on a principle derived from the Torah but ultimately not considered a ...
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1answer
238 views

Nature of restrictions on passing during niddah

I was taught before I got married that passing during niddah is strictly Assur. However, Upon looking into it I found that it's not mentioned in the gemara in berachos that is the source for most of ...
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3answers
123 views

Changing name of 10 Hadvarim to 10 Hadibrot

Inspired by this discussion. When did the Decalogue (עשרת הדברים) begin being called the Aseres Hadibros (no Biblical source for those words) as opposed to the Aseres Hadevarim (Shemos 34:28, Devarim ...
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596 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 ...
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2answers
178 views

Shavuos as a Marriage

There is an idea (which I initially became familiar with in my misspent youth from tamei sources but subsequently have seen it mentioned in tahor one's) that Shavuos is, as it were, a marriage between ...
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7answers
279 views

Are there examples of Tanaim, Amoraim,Rishonim, Achronim using secular sources for Limud Torah?

For instance, although I cannot find the source-I do believe the Vilna Gaon told a Talmid of his to translate the Elements of Euclid (Geometric proofs, inter Alia) to Hebrew in order to augment ...
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6answers
756 views

Why does the word milah mean both circumcision and word?

What is the rabbinic explanation why the word milah means both circumcision and word? To translate this into Hebrew is quite interesting, it would read like, Why does the milah milah mean both ...
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2answers
547 views

Is cultured meat Kosher?

This question claims that meat cultured from a kosher source is kosher too. However, a quick reading of sources seems to indicate the contrary: Tur (YD 62:1): וכן בשר הפורש מן החי אסור אע"פ שאין ...
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1answer
347 views

Where does our blessing for daughters come from?

In many Jewish homes on Shabbat, the head of the household would bless his sons to be like Ephraim and Menasheh but would bless his daughters to be like the matriarchs . What is the source, if any, ...
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1answer
138 views

Where can I find Rav Kook's writing of this?

There is a recent article in which Rabbi Moishe Bane writes the following : The legendary Chief Rabbi Avraham Yitzchok KaCohen Kook z”l, observed that in every society, in every religion, in ...
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1answer
197 views

(Why) is there a custom to have round challah for Rosh HaShanah?

I have noticed that the local kosher bakeries sell round challot (as opposed to their usual braided loaves) in advance of Rosh HaShanah. Is such a custom noted in any written sources? If yes, what ...
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1answer
127 views

Trying to find a quote of the Cheshek Shlomo

I'm trying to find the source of a quote I saw. I was reading an article about test tube beef and came across the following: [Rabbi Menachem] Genack noted another source for viewing cultured meat ...
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2answers
123 views

Lighting the first Chanukah candle after the first Brachah

There's an interesting way of lighting Chanukah candles that I've seen some people do. On the first night, the lighting is similar to the 'standard', wherein all three blessings are said before the ...
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2answers
137 views

Tu b'Shvat Prayers by R' Yehuda Halevi (Gaon)

A number of years ago, they discovered in the Cairo Geniza a number of Piyutim and Prayers for Shemonah Esrei, to be included on Tu b'Shvat. I found this item listed on a Cairo Geniza database, but I'...
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1answer
175 views

Is the metamorphosis of a caterpillar into a butterfly mentioned anywhere in Rabbinic literature?

My late great grandfather was a torah scholar, but with all his learning, he never knew that a caterpillar metamorphoses into a butterfly. He was amazed when someone told him about the common ...
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4answers
853 views

Concept that time is a spiral

I've heard that there is a concept in Judaism of time in a spiral, but I'm not sure where that idea originally comes from (specifically, which Rabbi originally said it). The earliest I've found is Rav ...
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1answer
3k views

Source of “Legitimate pleasures” quote

A quote that sometimes appears on the internet is the following: "Everyone will be called to account for all the legitimate pleasures which he or she has failed to enjoy." It is usually attributed ...
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2answers
174 views

Koren Siddur on Kal Atzmotai Tomarna

(Note: likely not relevant to those who Daven/read Hebrew with an Ashkenazi pronunciation.) This Shabbos I was asked to lead Pesukei Dezimrah at a shul I was visiting, and I was given a Koren Siddur ...
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2answers
120 views

What is the source for carrying candles down at a wedding?

I know that there are many explanations as to why many Jews have this custom (to commemorate the fire at har sinai, etc.), but where is the original source? Where originally did it come from? I have ...
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1answer
507 views

What is the source of the Friday night Shalom Aleichem and how did it become popular?

The basis of the song Shalom Aleichem sung Friday night seems to be the Gemara (Shabbat 119b) about the two angels who accompany a person home on Friday night. This question discusses why each stanza ...
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1answer
439 views

what is the source that a parent carries the sins of their children when the children are minors?

As a child I learned that a minor is not culpable for his or her sins and that any negative effect from those sins is borne by the parent (I don't recall if it was specifically the father). I would ...
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1answer
534 views

Who says that keneh bosem is cannabis?

R' Aryeh Kaplan in The Living Torah quotes four opinions as to the identity of keneh bosem (page pictured below, paragraph beginning "fragrant cane"): calamus (Septuagint, Rambam Peirush HaMishnayos, ...

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