Hitchens ends the God debate

Nonetheless, the working assumption is that we should have no moral compass if we were not somehow in thrall to an unalterable and unchallengeable celestial dictatorship. What a repulsive idea! It takes the axe to the root of everything that we have learned about evolutionary biology (societies that tolerate murder and theft and perjury will not last long, and those that violate the taboos on incest and cannibalism do in fact simply die out).