The Republicans in Congress, they believe in Ronald Reagan's Republican Party, not Donald Trump Republican Party or Steve Bannon's Republican Party.

Empathy makes you more aware of other people's suffering, but it's not clear it actually motivates you to take moral action or prevents you from taking immoral action.

I do think economic and social anxiety is the number one issue. And I'm pretty confident Hillary Clinton will be really riding that train pretty hard.

I wouldn't say philosophy and theology are dead. Brain science doesn't invent new philosophies but it helps remind us which of our existing philosophies are more true.

Bill Clinton pandered by telling you what you wanted to hear. John Kerry panders by never telling you what you don't want to hear. This is negative pandering; he talks a lot without really ruling anything out so you can draw your own conclusions.....Kerry has been talking for years, and yet such is the thicket of his verbiage that he has achieved almost complete strategic ambiguity.

It's impossible for one person to think of everything.

There has never been evidence that people from these [banned] countries are disproportionately likely to commit terrorist acts. We have sent chaos to the airports. We have offended the world. We have derailed the administration. We have done it in such an incompetent way, the administration has, that people with perfectly legal residence have been widely inconvenienced.