Job 33:21-25

His flesh is so wasted away that it cannot be seen, and his bones that were not seen stick out. His soul draws near the pit, and his life to those who bring death. If there be for him an angel, a mediator, one of the thousand, to declare to man what is right for him, and he is merciful to him, and says, ‘Deliver him from going down into the pit; I have found a ransom; let his flesh become fresh with youth; let him return to the days of his youthful vigor’