"It really is a fact that liberals are much higher than conservatives on a major personality trait called 'openness to experience.' People who are high on openness to experience just crave novelty, variety, diversity, new ideas, travel. People low on it like things that are familiar, that are safe and dependable."

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

"Congress is full of good, decent, smart people who have devoted their lives to public service."

"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."

"Just the actual physical ability to hold four instruments simultaneously and do some of the things that Vivien was able to do is mind blowing to any surgeon. He never went to medical school and he became one of the great teachers of medicine himself, people are just amazed."

"Guilt is anger directed at ourselves - at what we did or did not do. Resentment is anger directed at others - at what they did or did not do."

"When it becomes hard for me not to eat bad food, I try to think about what I have to do and what is ahead of me and what I want to achieve."

"Difference of opinion is advantageous in religion. The several sects perform the office of a Censor - over each other."