Regarding the story of when a pair of angels came down to Earth during the infancy of the Prophet (PBUH) and thus proceeded to cut him open. After cutting him open they proceeded to remove a black clot from inside his chest (his heart?). That black clot is supposedly the evil which resides in all men's hearts (supposedly). After removing the clot they then proceeded to "wash" his heart in a golden bowl of ice (?). After washing his heart (and perhaps his chest cavity as well) they replaced his h