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