The problem of evil is arguably the most difficult philosophical problem facing Christians and other theists who believe in an omniGod — a God who is omniscient, omnipotent, and omnibenevolent. The problem, concisely stated: If God is omnibenevolent, he doesn’t want his creatures to suffer. If he’s omnipotent, he can eradicate evil and suffering from the world. Why, then, doesn’t he do so? Why is there so much evil and suffering?
Atheists have no trouble explaining it. If there’s no God, then there’s no one to prevent evil and suffering. Yet some people insist that the problem of evil is a problem for atheists, too.