I 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 HaidtGroups create supernatural beings not to explain the universe but to order their societies.
Jonathan HaidtThe extreme self-sacrifice characteristic of group-selected species such as ants and bees can often be found among soldiers.
Jonathan HaidtThe world doesn't usually affect us directly. It's what we do with it. It's the filters that we put on it. That's the foundation of certainly most pop-psychology, and of a lot of psychotherapy, cognitive therapy. So that, I think, is the greatest truth.
Jonathan Haidt