Muhammad b. `Ali narrated to us. He said: `Ali b. Ibrahim narrated to us from Muhammad b. `Isa from Mansur from Hisham b. Salim from al-Sadiq Ja`far b. Muhammad . He said:

No reward will follow a man after his death except in three things: (1) A continuous deed (sadaqa jariya) that he had established in his life that continues after his death. (2) A tradition of guidance that continues after his death. (3) A righteous child that seeks repentance for him.