God can do no wrong because he is God, and because he is God he can do no wrong. Because he is God he can not contradict himself, and he cannot contradict himself because he is God. Circular reasoning........circular reasoning....i'm getting dizzy
Shhhh, just go and lie down for a bit, dear. The obvious solution is that you're not supposed to ask questions like this in the first place, even if it seems a bit unsatisfying to do so - no peeking behind the curtain of the great and powerful Oz, thankyouverymuch ;)