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
35 views

Where does the Zohar say blessing and success come as a result of the Shabbos’s holiness?

The Eitz Yosef (cited in a footnote in 'The Complete Artscroll Siddur', page 316) quotes the Zohar who says: All the weekday blessing and success come as a result of the Shabbos’s holiness. ...
4
votes
2answers
151 views

What is the source for singing zemirot on Shabbat?

Who and when did the custom of singing zemirot at the Shabbat table, and what was the basis (halacha, verse, etc.) for instituting it? What was the 1st zemirah?
7
votes
3answers
110 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 ...
2
votes
1answer
45 views

Who first said “You're being machmir on pikuach nefesh”?

I've been hearing the phrase "This is not being meikil1 on Shabbos, this is being machmir2 on pikuach nefesh3" for a long time. I've heard it quoted from R' Chaim, from the Gra, and from various and ...
6
votes
2answers
98 views

Source that “Teiku” References Eliyahu?

What is the earliest source that indicates that "teiku" (תיקו) references Eliyahu? Any source earlier than the Tosafos Yom Tov who provides an alternative explanation?
1
vote
1answer
76 views

echad mi yodea: Aramaic?

A friend of mine told me that the minhag in his family for several generations was to sing "echad mi yodea" in Aramaic. Is there any early source for this?
6
votes
1answer
280 views

Where does the Tiferes Yisroel discuss Edward Jenner and smallpox?

I've heard repeatedly that the Tiferes Yisroel describes Dr. Edward Jenner as a righteous gentile for developing the smallpox inoculation -- where is that quote, please?
4
votes
1answer
75 views

Can an autopsy be performed on a Jewish body?

Halachically can one perform an autopsy on a Jewish body? One one hand, the Talmud Sanhedrin 47a explains that the verses in Deuteronomy 21:22-23 we can learn that one must not delay a burial and ...
1
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0answers
40 views

Torah out of order and the resurrection

I remember reading once that the Torah (Pentateuch) is not in the correct order and if someone knew the correct order he would have the ability to do techias hameisim (resurrection). The exact ...
4
votes
3answers
172 views

Study of Written Law Without Comprehension

What are the earliest sources that confirm or contradict the assertion that recitation of Torah Shebiksav fulfills the obligation to study Torah even without understanding of the words? Preferred: ...
3
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0answers
32 views

Origin of Reciting Psalms

What is the origin of reciting Tehillim as a form of prayer? More specifically, of reciting even passages of Tehillim which do not contain requests for the issue one is facing but rather of praise of ...
2
votes
1answer
110 views

Teshuva where Rambam says he forgot a Gemara

I once heard that there was at least one case in which various Acharonim offered complex explanations to explain how the Rambam did not contradict certain Gemaras, and subsequently there were responsa ...
1
vote
1answer
38 views

Mekor for R' Haim on Tannaim vs Amoraim

I've heard there is a R' Chaim Soloveitchik saying that although there is no law stating Tannaim may not argue with Amoraim nevertheless it isn't customary for an Amora to contradict a Tanna. Does ...
6
votes
0answers
72 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. ...
3
votes
1answer
87 views

Graphology - sources that permit or forbid it

I saw a orthodox Jewish newspaper that has a column on graphology. Are there any sources that discuss graphology, pro or con? Is it hocus pocus? Is it similar to palm reading?
1
vote
0answers
57 views

Source for an Aggadah about Moshe feeding a bird

I was reading a book called "Shylock" by Hermann Sinsheimer and he made reference to a story from "the Jewish Talmud." I don't know to what he is referring. I looked online quickly and found someone ...
16
votes
3answers
2k views

Are there any sources that prohibit childhood vaccinations?

The consequences of depressed childhood vaccination rates in some American communities, in the form of a building measles outbreak, have been in the news lately. All public schools and most private ...
2
votes
1answer
36 views

Seeing is believing: proof from Yitro?

I have heard a proof that hearing is nothing in compared to seeing, and the proof is from Yitro: that even though he had heard about all the great miracles that had occurred to the Jews and their ...
1
vote
2answers
74 views

Earliest sources for the hot-rock method of hagalah

What is the earliest source explaining how to do hagalah? What is the earliest place we see detailed instructions for the hot rock method as opposed to the clay/dough method? To elaborate: If you ...
2
votes
1answer
65 views

Rambam on Sacrifices

I seem to recall hearing that the Rambam stated somewhere that animal sacrifices were not necessary from G-d's point of view, but that He decided to institute them because of what the Israelites were ...
3
votes
1answer
273 views

What is the source for not leaving onions overnight and why don't some care?

This question mentions that one mustn't eat onions and garlic that have been left overnight, because of danger: Eating onions or garlic left overnight - there are ways around this, and some are ...
6
votes
2answers
96 views

What's the source that a Cheresh, Shoteh and Kattan are free from Mitzvos?

There are three categories of people who are free from doing Mitzvas: Cheresh - a deaf-mute Shoteh - a mentally incompetent person Kattan - a child. How do we know that they aren't liable for ...
4
votes
2answers
145 views

Palm-reading in Judaism

Are there Jewish sources which affirm the validity of the art of palm-reading? If yes, how does this work. i.e. what is the underlying idea behind it. (the reason I ask, is because I actually met ...
13
votes
1answer
191 views

Did any classic rabbinic sources discuss static electricity?

Not much more to add here, I've just always wondered if static electricity was discussed in any Chazzal or Rishonim. Someone from those times must've gotten a good zap and I'm wondering what they had ...
11
votes
4answers
336 views

Is there a source in the gemara for “Blei Gissen” (pouring lead)?

A recent article in the 5 Towns Jewish Times claims Blei gissen, the technique of pouring lead to nullify ayin ha’ra, the poisonous evil eye, has its source in the Gemara ... In his critique of ...
5
votes
2answers
795 views

What is the source of Shomer Negiah?

What is the mekor for the very well known restriction of physical contact between men and women? Is it a biblical or rabbinical prohibition?
3
votes
1answer
67 views

Nusach Ashkenaz in Israel and Abroad

Over the years, I've noticed a number of differences between Ashkenaz siddurim published in Israel and those published outside of Israel. These differences include (but are not limited to): Order of ...
0
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0answers
22 views

Rocks on Gravestones [duplicate]

Why do Jews put rocks on Gravestones, especially on great Gadol Hadors, like for instance Rabbi Feinstein, is there something in Halacha that explains why it is done?
5
votes
0answers
86 views

'Agunoth and Mamzerim after the Holocaust

What have Posekim decided regarding families that were torn apart as a result of the Holocaust, particularly with respect to marriages where the husband was taken and never seen again (but not ...
4
votes
0answers
75 views

Different endings of Yishtabach

I have heard at least four nuschaos (liturgies) for the very end of Yishtabach between habocheir b'shirei zimrah (who chooses musical songs of praise) and chai/chei* haolamim (life/life-giver of the ...
2
votes
2answers
142 views

Zoroastrianism .v.s. Judaism [closed]

Does anybody think Zoroastrianism inflenuced Judaism, cause online people say Zoroastrianism was the first monotheistic religion http://avesta.org, and that Judaism copied it, also that Zoroastrianism ...
7
votes
1answer
74 views

Legend About Rashi

In the book "Rashi and Maimonides" (pg 302), I found the following (paraphrasing): Another story has it that Rashi sat fasting for 613 days to purify himself for the task of commenting on the ...
2
votes
1answer
68 views

What happened to Moshe's Mateh (stick)

I once heard that Moshe's stick was used as the middle pole that held the beams together in the Mishkan that miraculously bent twice (Rashi, Shabbos 98b). Does anyone know a source for this?
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1answer
41 views

Zohar and Shabbos Yoma D’Nishmasa

The Zohar calls Shabbos Yoma D’Nishmasa, because it is the day of the soul, not the day of the body. Do anyone know where the source for this zohar is located?
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votes
1answer
49 views

Where in Avnei Nezer can I find this statement about Shabbos?

The Avnei Nezer writes that we the read the following posuk in the haftarah on Yom Kippur morning:.אם תשיב משבת רגלך. The superficial meaning of these words are, “If you restrain your foot because it ...
3
votes
1answer
82 views

Rav Hirsch and zachor

Rav Shimshon Raphael Hirsch says that the word zachor (in Exodus 20:7), meaning remember, is the statement telling us "to keep the Shabbos in our minds and hearts, and give verbal expression to its ...
-4
votes
1answer
109 views

“There is no question in the world whose answer cannot be found in Torah”

Rabbi Yitzchak of Volozhin says, "There is no question in the world whose answer cannot be found in Torah." Does anyone know where the source for Rabbi Yitzchak of Volozhin's statement can be found?
-3
votes
1answer
72 views

Everything is in the Torah

Someone mentioned that, "There is nothing on earth that is not hinted at in the Torah."* Does anyone know where is statement can be found?
-3
votes
1answer
52 views

Who Is Rabbi Eliezer Yosef ben Rabbi Yitzchak HaLevi Letterberg לטרברג?

Someone told me that's it's written on the tombstone of רבי אליעזר יוסף בן רבי יצחק הלוי לטרברג: "הרבץ תורה ברבים ולמד וחזיר בעל פה למעלה מארבעת אלפים פעם מסכת ביצה וראש השנה" Who is רבי אליעזר יוסף ...
-3
votes
1answer
54 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 ...
8
votes
2answers
143 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. ...
4
votes
1answer
60 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 ...
-1
votes
1answer
89 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 ...
0
votes
1answer
42 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
43 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
60 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 ...
0
votes
0answers
73 views

Maharal Diskin on Sefer Devarim

I heard someone mention that the Maharal Diskin say the following explanation on this posuk: וּבָאוּוּבָאוּ עָלֶיךָ כָּל־הַקְּלָלוֹת הָאֵלֶּה וּרְדָפוּךָ וְהִשִּׂיגוּךָ כָּל־הַקְּלָלוֹת הָאֵלֶּה וּרְדָפוּךָ ...
6
votes
2answers
63 views

Can the Mishnah be interpreted according to both peshat and drash?

There's a statement attributed to the Vilna Gaon (quoted in the introduction to Binas Mikra and in several other places) that the Mishnah can be interpreted through 'derash' and 'peshat', just like ...
4
votes
2answers
175 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 ...
7
votes
4answers
900 views

From where do we know that sexual intercourse with a non-jewish woman is forbidden?

From where do we know that a jewish man cannot have sexuel intercourse with a non-jewish woman? What say the Kabbala about this ? Is it related to dark forces, "qelipoth"?