Which of the following statements do you believe, given that one of them must be true if your assertion is correct:
1. The Code of Hammurabi is a forgery.
2. The Code of Hammurabi does not contain any moral assertions.
3. The ancient Babylonian gods actually existed.
Actually, this is the statement that's true:
4. Steve-b should immediately invest in a logic course at his local community college.
Now, part of the reason you got that wrong was because you misread what I meant; perhaps I could have put it better. The atheist may not recognize the lawgiving God. He may completely believe that his morals have no connection to any religion. But the bottom line is that his morality has no underlying justification at all.
Let's say that the atheist says "It's morally right for me to give blood and morally wrong for me to steal." Well, why? Why isn't it OK to look out for number one? Why is there any obligation to society?
The problem with the Code of Hammurabi is that child sacrifice was OK as a religious expression, and it lacked other “moral’ codes.