If stealing is wrong is a moral fact, then it necessarily follows that one ought not to steal I don't get what's hard about this. Morality is about what you should or shouldn't do, based on whether it's right/good or bad/wrong.
I fire burns you, you oughtn't stick your hand in it if you don't want to get burned.
I fire burns you, you oughtn't stick your hand in it if you don't want to get burned.
I'm not anti-Christian. I'm anti-stupid.