 He argued that, in order for people to make free moral decisions, they must be aware of the consequences of such decisions.Knowledge of these consequences must be based on experience—Swinburne rejected the idea that God could implant such knowledge, arguing that humans would question its reliability.Swinburne argued that humans must have first hand experience of natural evil in order to understand the consequences of moral evil and that for God to give humans moral free will, he must allow human suffering.