1
vote
1answer
125 views

May one learn from a heretic?

The Rambam writes in his introduction to Shemona Perakim: "kabel ha-emet mimi she-amerah - accept the truth from whoever speaks it". Furthermore, the gemarah Chagigah 15b indicates that Rebbi Meir ...
5
votes
2answers
200 views

Divrei torah written by a heretic

What is the status of divrei Torah written by someone who does not believe in the oral Torah? Does it retain any sanctity? Should it be burned or buried?
16
votes
1answer
252 views

Can you learn from seforim written by someone who believed in Shabbetai Tzvi?

During the times of false messiah Shabbetai Tzvi, and for several decades afterwards, many well established rabbanim [1] believed him to be Moshiach. Some even maintained this belief after his ...