Our moral sense really evolved to bind groups together into teams that can cooperate in order to compete with other teams.
Jonathan HaidtIf you have a personality predisposed to liberalism, you might gravitate more to the artsy crowd or the anti-establishment crowd. And then those peers will affect you, and they will give you values, and you will copy them.
Jonathan HaidtThe consistent finding of psychological research is that we are fairly accurate in our perceptions of others. It's our self-perceptions that are distorted because we look at ourselves in a rose-colored mirror.
Jonathan HaidtIf you grow up in a WEIRD society, you become so well educated in the ethic of autonomy that you can detect oppression and inequality even where the apparent victims see nothing wrong.
Jonathan HaidtI think the greatest truths, the ones that you find in every culture that has any sort of history of reflection of writing, the greatest truth is that there's nothing good or bad, but thinking makes it so. That's the way Shakespeare put it. But you get basically the same idea from Buddha, from the Bhagavad Gita in India, and from the Stoics in ancient Greece and Rome.
Jonathan Haidt