Experiences generate emotions. Emotions generate values. Values generate narratives of meaning. And people who share similar narratives of meaning come together to generate religions. The more effective (or affective) a religion, the more industrious and disciplined the adherents. And the more industrious and disciplined the adherents, the more likely the religion is to spread to other people, to give them a sense of self-control and a feeling of hope. These religions grow and expand and eventually define in-groups versus out-groups, create rituals and taboos, and spur conflict between groups
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