R' Shim'on ben Lakish said, "Pinhas is Eliahu. The Holy One, Blessed be He, said to him, 'You have made peace between Israel and Me in this world. Even in the next world, you are the one who will make peace between My children and Me, as it is said (Mal. 3:23-24), "Lo, I will send the prophet Elijah to you before the coming of the day of the Lord ... He shall reconcile parents with children."""