9,15) says: "The period which includes the whole time of one's life is called the aeon of each one." Hence it often means the life of a man, as in Homer, where one's life (aion) is said to leave him or to consume away (Iliad v. 685; Odyssey v. 160). It is not, however, limited to human life; it signifies any period in the course of events, as the period or age before Christ; the period of the millennium; the mythological period before the beginnings of history.