Christians say God gave men free will, to choose good or evil. It must be clear now to God, actually long ago, what the result of the experiment is -many people choose evil. So why carry on the experiment? Why doesn't God end it, and prevent further evil? In fact, why did God create fallible people in the first place - certainly knowing that much evil would be created? Why didn't He simply create heaven, where there is no evil? It sounds very much as if God created the circumstances where He must have known there would be some evil. And for what?