Number one biblical contradiction: God's navel. Why would god have a navel? He created humans in his image? The only way any of this would work is if god created himself in humans' image. Which, of course, defies logic on multiple different levels. The man doesn't even have a mother, where is he even supposed to come from? Why would he need some ugly depression in his body? I believe Satan is a natural byproduct of a happening somewhere that is way to hard to trace back to even bother with it. The whole bible is a contradiction.