If you think about religion as a set of beliefs about supernatural agents, you’re bound to misunderstand it. You’ll see those beliefs as foolish delusions, perhaps even as parasites that exploit our brains for their own benefit. But if you take a Durkheimian approach to religion (focusing on belonging) and a Darwinian approach to morality (involving multilevel selection), you get a very different picture. You see that religious practices have been binding our ancestors into groups for tens of thousands of years. That binding usually involves some blinding—once any person, book, or principle is
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