Hazrat Laith (may Allah have mercy on him) says that I came to Hazrat Abu Ja'far (may Allah have mercy on him), then he mentioned sins and began to weep out of fear. Then he said: Hazrat Jabir (may Allah be pleased with him) narrated to me: Indeed, Hazrat Ali (may Allah be pleased with him) lifted the door on the day of Khaybar until the Muslims climbed the fortress and they conquered the fortress, and indeed it was tried, but none could lift that door except forty men.