16
votes
4answers
1k views

What is the machlokes between the Gra and Ba'al HaTanya?

What is the famous argument between the Vilna Gaon and the Ba'al HaTanya in understanding the Sod HaTzimtzum? And what are some ma'areh mekomos in their works where this Machlokes is seen?
11
votes
3answers
652 views

When does somebody living in space (e.g. ISS) observe Shabbat?

I understand that Jewish astronauts have been advised to observe Shabbat by Cape Canaveral time, by analogy with traveling to a place that doesn't have daily sunrise/sunset where some rule you use the ...
17
votes
3answers
355 views

Anonymous glosses in the Shulchan Aruch

The Rama wrote a series of glosses to the Shulchan Aruch to reflect standard Ashkenazi practice, as the Shulchan Aruch was weighted towards the Sephardim. These glosses have been reprinted in almost ...
17
votes
6answers
1k views

Is there “Torah Inerrancy”?

Is there Torah inerrancy? In other words, does the Torah contain no factual errors: the Noah flood did occur, Garden of Eden did exist, Adam and Eve did live there and were subsequently expelled, etc ...
16
votes
1answer
412 views

Who is Moshiach?

How do I know that someone is Moshiach? Will I just know? Are there requirements? If someone tells me that he is the Moshiach, is he to be believed. It would seem seem strange to say so.
12
votes
5answers
382 views

Naming after bad people

Why have there been famous(ly righteous) Jewish people named after Yishma'el, who, Chaza"l tell us, was evil and an enemy of Jews? Has anything similar happened with Esav? Korach? Others?
11
votes
1answer
317 views

When does a day start/end in the far North/South?

As I understand it, a day in the Jewish calendar is from sunset to sunset. How is this handled if you are living so far north or south that you have long periods of daylight or darkness?
7
votes
1answer
231 views

“Am I Jewish​​​?”

How can one tell if one needs to convert or if one is already Jewish? Would one's or one's ancestors' conversion to another religion or their lack of knowledge about Judaism change anything?
15
votes
4answers
825 views

What is the basis for eating in someone's house without a kashrut certificate?

No one asks for a kashrut certificate to eat in someone's house; they just make a rough judgement based on the host's reputation (the way they dress or behave, the circles they move in, etc.). That ...
14
votes
2answers
854 views

Bootstrapping problem: havdalah ends shabbat (for one who didn't daven ma'ariv) but lighting the candle is melacha?

This answer to a question about melacha before havdalah notes that in that situation one should say "baruch hamavdil bein kodesh l'chol" first. Does that apply to lighting the havdalah candle? I ...
9
votes
2answers
2k views

My great great grandmother was Jewish - am I? [duplicate]

I've discovered that my great, great grandmother was Jewish - i.e. my mother's mother's mother's mother. She converted to Catholicism upon marriage. Are matrilineal descendants of a Jewess who ...
6
votes
3answers
374 views

What's the deal with all the washings?

Sometimes we wash with a cup, sometimes not; sometimes we wash twice, sometimes thrice; and not everyone agrees on method or pattern in all cases. Who says which ways we are supposed to wash, in ...
6
votes
2answers
238 views

What is the meaning of Davar Shebakedusha?

How does something become a Davar Shebakedusha? What is the criteria? This question was inspired by the discussion over here. People half-standing for אלקינו in zimun
21
votes
4answers
602 views

When blogging/emailing/etc., do I use “God” or “G-d”?

Is there a religious problem with typing out the name: "G-o-d"?
16
votes
19answers
3k views

How can I curb my sexual desire?

I am looking for the best and most practical suggestion as to what a man can do to curb his yetzer hara (evil inclination) for sexual desire. Please provide sources for why your answer should be ...
33
votes
3answers
6k views

Should one ask a non-Jew attending synagogue to wear a yarmulke?

It says in Divrei HaRav (by R. Hershel Schachter, p143) that when they asked R. Aharon Kotler whether a non-Jewish secular studies teacher in a yeshiva should be asked to wear a yarmulke, he said he ...
16
votes
2answers
468 views

Does a convert have a clean slate?

When a non-jew converts to Jusaism, must he still do teshuva from past sins, or does the "reborn" concept stretch far enough to consider him "sinless"?
15
votes
2answers
741 views

Is the winding פ in this sefer torah kosher?

Leaving aside all other issues with the text as displayed, are the pehs acceptable, or do they actually need an inverted vav on the inside (instead of these whirls).
15
votes
1answer
2k views

Mixed swimming in a pool?

What are the issues with mixed swimming, from a tzniut point of view? Does it make a difference if the swimmers are or aren't Jewish? For example, are there issues with me swimming with my wife and a ...
14
votes
2answers
6k views

All people in world are Jews?

According to the Book of Genesis, Noah saved his family and representatives of every animal from a flood by constructing a boat. So since all of humanity should be descended from Noah, does that mean ...
10
votes
2answers
246 views

May I rely on the halachik leniency of others?

If "Reuven" believes the halacha to be one way and "Shimon" believes it to be more lenient may Reuven rely on Shimon to do something for him based on this leniency? Here is a 100% fictional ...
4
votes
7answers
4k views

List of Number of Mishnayos by chapter / masechta

I'm looking for a list that enumerates the number of Mishnayos in each perek, as well as totals by masechta. Does anyone here know of such a list (or have the ability to quickly produce one)?
15
votes
2answers
475 views

Translation to Greek

I just read in parashat ki tavo that the torah was translated into 70 languages and written on giant stones, yet the talmud says the translation of the torah to Greek many years later was considered a ...
8
votes
3answers
1k views

Do you have to close your blog / website on shabbos?

Do you have to close your blog on shabbos?
18
votes
3answers
702 views

Can an ecommerce website remain open on Shabbat?

This question is more general and doesn't apply specifically to ecommerce sites even though the discussion mentions them a little. Specifically, we know we can't do business on Shabbat. So what is ...
12
votes
3answers
685 views

Am I allowed to view a Kotel Cam on Shabbos?

If there is a camera in Israel that is operating on Shabbos, am I (a person living in America, where Shabbos only starts 6 or 7 hours later) allowed to view such a camera? I suppose the same could be ...
10
votes
1answer
329 views

Sh'kalim, Kinim, Midos in daf yomi

Why are Sh'kalim (Y'rushalmi) and Kinim and Midos (mishnayos) learned as part of the standard daf yomi cycle for Talmud Bavli? And if the answer relies on some fact of publication, then (a) why ...
8
votes
3answers
1k views

Cash value of 'perutah'

How much is a 'perutah' worth in modern currency?
7
votes
1answer
1k views

Prohibition of a Kohen marrying a Zonah

In the prohibition of a Kohen marrying a Zonah (cf. Vayikra 21:7), what defines a woman as a Zonah? Is it just having had relations with a non-Jew, or does it also include having relations out of ...
7
votes
1answer
1k views

Is there any difference between Jewish G-d and Muslim G-d? [closed]

Do Jews and Muslims worship the same G-d? If so, do they understand G-d the same way? As a related point, is there any linguistic or theological connection between "Allah" and "Eloha" (or "Elohim")? ...
7
votes
2answers
611 views

Minimum Shi'ur for Kiddush on liquor

What is the minimum Shi'ur (volume) of a cup required for making Kiddush on liquor? Is there a smaller amount required than there is for wine? What is the minimum Shi'ur of the liquor that one is ...
6
votes
6answers
807 views

Why is the word for G-d in Genesis plural?

The word for G-d in Genesis 1:1 is plural in all the manuscripts, there's no debating that it's plural. So really it should read "In the Beginning Gods created the heavens and the earth". Why is this ...
6
votes
2answers
1k views

What makes something “chukat goyim?”

One of the most famous examples I have heard is that one should not even tie one's shoes like the non-Jews do in times of persecution. That seems rather excessive. What if the Jews started doing some ...
5
votes
2answers
241 views

Time for t'filah and you don't have a siddur: better to daven from memory or wait (and possibly miss the time)?

If the set time comes to daven (on a weekday, let's say) and you unexpectedly don't have a suitable (or any) siddur,1 does halacha call for you to wait (and possibly miss that amidah entirely), or ...
2
votes
1answer
329 views

Accurate list of Gedolim [closed]

Wikepedia's list is missing certain Gedolim. Where can I access a list of Gedolim that would be virtually unarguable?
33
votes
6answers
3k views

Does the Torah discuss aliens?

Does the Torah discuss extra-terrestrial life and/or civilizations? Do any Torah sources exist which discuss what these hypothetical beings would be like and their status/nature? (eg. Would they be ...
40
votes
7answers
817 views

Did any Achronim comment on the American Revolutionary or Civil Wars?

I've heard that for instance, in the 1800s, the American rabbis in the South were pro-slavery, and the American rabbis in the North opposed to it. But what were the views towards America of the ...
13
votes
4answers
3k views

Why don't Jews sacrifice animals anymore?

Correct me if I'm wrong, but Jews do not currently sacrifice animals like ancestors long ago. Why do Jews not currently sacrifice animals? Will there be a time when sacrificing returns once again? How ...
13
votes
4answers
500 views

Why was Torah sheBal Peh not allowed to be Written?

The Gemara states that it is forbidden to write down the Oral Torah [1]: דרש רבי יהודה בר נחמני מתורגמניה דרבי שמעון בן לקיש, כתיב: +שמות ל"ד+ כתוב לך את הדברים האלה, וכתיב: +שמות ל"ד+ כי ...
10
votes
3answers
597 views

Why are people going back to paskining like the Rambam?

I have heard personally (and seen in chat) people (who are not Teimanim [for whom there is a tradition to rule like the Rambam]) ruling like the Rambam. I have heard that he has the authentic ...
18
votes
2answers
671 views

May (or should) a convert recite kaddish after his biological parents' deaths?

May (or should) a convert recite kaddish after his biological parents' deaths? I think the answer is that yes, he may do so out of respect for them (even though, in a strict halachic sense, he is no ...
17
votes
7answers
874 views

Am I liable to be stoned for my devotion to Hashem and the Jewish people?

I have spent over 2 years to this day praying for the Jewish people from the Koren Siddur and Machzorim. I have with my Rebbe's help tried to follow Jewish customs and laws, to my best ability. ...
16
votes
1answer
487 views

Why don't we bow “correctly” during tefillah anymore?

According to the Gemara (Megillah 22b), and according to the RaMBa"M (Hil. Tefillah 5:13) (and apparently R' Avraham ben HaRaMBa"M was adamant), when we pray we are supposed to bow down ON our knees ...
15
votes
5answers
370 views

What are Rambam's “עיקרים”?

Rambam, in his Commentary to the Mishna (Sanhedrin 10), enumerates 13 "עיקרים" or "יסודות", which he holds are the core "principles" that every Jew is expected to believe. (Summary in English.) But ...
13
votes
4answers
448 views

Why do we eat Milchigs (dairy) on Shavuos?

Why do we have a Minhag to eat Milchigs (dairy) on Shavuos?
11
votes
2answers
577 views

Is there any issue with using aerosols on Shabbos?

I've heard from many people that you shouldn't use aerosols (such as air fresheners, disinfectants or deodorants) on shabbos, usually citing some vague reason of changing the form from liquid to gas, ...
11
votes
2answers
1k views

Is downloading pirated music stealing?

Either way, it should be frowned upon as not a nice thing to do, but would it actually be assur?
10
votes
4answers
622 views

Is it permissible to name one's child with a name from the opposite gender?

Is a person allowed to name a boy with a girl's name and vice versa? I remember seeing that one musn't, although in Nach one finds these things a lot. I understand it is not best practice for ...
9
votes
2answers
379 views

Are Jews permitted to martyr themselves?

Are Jews permitted to martyr themselves? For example, if it is a question of converting or being killed, is the Jew permitted to sacrifice himself rather than convert? Separately: which would be ...
8
votes
2answers
487 views

לשון הקדש: the oldest language?

Rashi to B'reshis 2:23 says that the language Adam spoke was one that Rashi calls לשון הקדש, lashon hakodesh (or l'shon hakodesh), and that contains the words אִשָּׁה and אִישׁ. Keeping to Rashi's ...

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