the angel of death, who is identified by some with satan, right after the creation has a dispute with god about the light of the messiah. when eve touched the tree of knowledge, the angel of death talked to her, and she thought:"now i shall die, and god will create another wife for adam". adam also talked to the angel of death. the angel of death sits before the face of the dead. while abraham was mourning, for sarah the angel appeared to him, which explains why "abraham stood up from before his death". samael told sarah that abraham had sacrificed isaac in spite of his wailing, and sarah died of horror and grief. it was moses who most often had dealings with the angel. at the resistance of korah, moses saw him.