You didn't answer the queation. I'm asking you on what basis is murder wrong for an atheist.
If a fellow traveler believes that the prime directive is his self aggarndisement, preservation and continuance of his gene pool, on what basis do you say he is wrong?
And as an adjunct, if rights are not granted by the creator and are unalienable, then rights are derived from observation and logic by man and are fungible depending on who is do the observing and logic analysis, no?
Atheists aren't used to being confronted like that...no offense laredo, but there's really no non-arbitrary atheistic answer to this question.
See post #193.