Saint Augustine and the presence of evil in the History
Saint Augustine studied the question of evil and he found an answer from the Christian point of view, mainly against the solution which the Manichean dualism gave to it. Looking for the Truth, he completed the Platonic conception of evil as a privation of good and he understood that moral evil has its origin in the sin, in a bad use of the free agency by the rational creature. A good or a bad election is the cause of consequences for social human life and it is the genesis of two cities: the city of God and the mundane city
