1
vote
1answer
88 views

Rav Moshe Feinstein and tzitzis tucked in

I have heard that Rav Moshe Feinstein ztsl held that tzitzis should be tucked in. Can somebody give a nice summary of the reasons behind his ruling?
3
votes
1answer
181 views

What was Reb Moshe Feinstein's view on electricity use on Shabbos?

Did Rabbi Moshe Feinstein hold that the ban on electricity use on Shabbos (where no other issur results) is a biblical prohibition, a rabbinic prohibition, or just a minhag?
1
vote
1answer
112 views

Rav Moshe milk and tuna

Rav Moshe holds that tuna needs a masgiach timidi for it to be consumed,every fish needs to be checked for the simanim.However, by milk he brings a savarah that the government is sufficient and a ...
2
votes
1answer
144 views

Why was Rabbi Moshe Feinstein skeptical about allowing lift and cut shavers?

From Koshershaver.org It is important to mention that Rav Moshe Feinstein was very skeptical about permitting the use of a lift and cut shaver when it was first shown to him in his later years. ...
12
votes
5answers
365 views

Can we argue with gedolim when we are sure that we are right?

I recently saw a teshuva by Rabbi Moshe Feinstein, Ohrach Chaim Volume 1 Teshuva 109, that quotes a letter from Rabbi Menashe Klein asking a question on Rabbi Moshe's psak but saying that he does not ...
7
votes
0answers
173 views

What did a “don't-issue-rulings” semicha (ordination) look like?

Again from the biography of Rabbi Moshe Feinstein found in Igrot Moshe Volume 8 (emphasis added): Many approached [him] for ordination, and he was not difficult on them. Some ordinations were ...
10
votes
3answers
712 views

Heter, esp. from R' Moshe, for shaving with a machine?

I have asked this question to many people without every getting an answer. Perhaps someone on this forum has some information. All of the achronim that I have found, who address the issue in ...