Our moral sense really evolved to bind groups together into teams that can cooperate in order to compete with other teams.

Groups create supernatural beings not to explain the universe but to order their societies.

If I believe that abortion is wrong, and I want to convince you that it's wrong, there's no reason I should recount to you my personal narrative of how I came to believe this.

When you hear someone criticize a policy on the other side, thats fine. But when you start hearing motive-mongering and demonization, stand up to it just as you would if it were something that was racist or sexist. If we avoid the demonization, disagreements can be positive.

In accounts of men in battle, there is an incredible adrenaline rush from group-versus-group conflict. The fervor and passion of partisans is clearly rewarding; and if it's rewarding, it involves dopamine; and if it involves dopamine, then it is potentially addictive.

Human thinking depends on metaphor. We understand new and complex things in relation to the things we already know... once you pick a metaphor it will guide your thinking.

People are wrong when they say that everything should be more diverse, even, say, rock bands. It's an error, an overgeneralization.