If evolution is true, how do we tell right from wrong?
If evolution isn't true, how do we tell right from wrong?
The answer is the same in both cases. It is basically the same answer as how we tell green from red. Our brains are wired in such a way that when our sensory apparatus brings us information about another person's actions, we get a reaction of "that is right" or "that is wrong".
The evolution part is pretty easy to figure out. Going back to our distant ancestors, those whose brains had a better tendency to determine "right" from "wrong" were better able to live together in social groups, and those who lived in social groups were better able to leave behind surviving offspring.
Hope this helps!
Speaking personally, I find few things more awesome than contemplating this vast and majestic process of evolution, the ebb and flow of successive biotas through geological time. Creationists and others who cannot for ideological or religious reasons accept the fact of evolution miss out a great deal, and are left with a claustrophobic little universe in which nothing happens and nothing changes.
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M. Alan Kazlev