In this case, the predictability of natural law is the basis of his moral action. If God always interferes miraculously so that a bullet will never hurt anyone, He will consistently violate the law of mechanics and consequently robs one s freedom to perform morally responsible actions. Therefore God must let nature run its course. But nature is amoral. It produces both good and evil effects.
Natural forces are immense and so are the evils they generate.
The soul-making theodicy stresses that evil can facilitate character building. This way, the quantity of evil is explained by the abundance of souls that need making. The problem of gratuitous evil focuses on the evil that serves no useful purpose. Possible examples are those children born with aids or innocent people killed in natural disasters. Divine providence is a well-established Christian doctrine.