ordained that His creatures should have the capacity for evil. He did not force them to exercise that capacity, but He knew that they would exercise it. At that point, He had a choice. He could destroy the creation so as not to allow evil to happen. The moment the Serpent came to Adam and Eve and began to suggest disobedience, God could have snuffed out the Serpent or snuffed out Adam and Eve. There would have been no sin. But God, for reasons known only to Himself, made the decision to let it happen.