Indeed, it might be said that this dualism of good and evil grows out of the earliest impulses to levy a moral code on mankind. The primal religious state of man is to feel at the mercy of arbitrary forces, whether governed by capricious gods to be placated or, as with the ancient Greeks and their doctine of ananke and moira, subject to an implacable destiny. It is only with the impact of Persian religion and Zoroaster's initiative that the concept of a moral or ethical code enters human consciousness. --> more