Originally posted by BlobbyWe have them to learn what is offensive to the being who made us so that we can attempt to please Him by following His rules. I'm actually rather surprised that there are only 10 Commandments.
Why do we have them, and a bigger question is what happens if we break these sacred rules?
Also, if you'll note, not killing and stealing is actually beneficial to people.
If you break the Commandments, particularly without the blood of Christ washing it away afterwards, you'll probably end up being punished.