I'm of course nostalgic for Barack Obama all of a sudden.

The things that make them similar - their machismo, their expansionary braggadocio - is going to turn them I think into bitter and dangerous enemies. We will look back on this moment where we thought Vladimir Putin and Donald Trump were sort of close as a moment of bitter irony, when they get into a schoolyard display against each other, amping up each other's worst tendencies and putting the two countries in some sort of scary position.

Highly educated young people are tutored, taught and monitored in all aspects of their lives, except the most important, which is character building. When it comes to this, most universities leave them alone.

If you're a soldier or marine in an Arab country, Islam is the solution. And you need to show respect.

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.

What Bannon and Trump have presented us with is an idea of America that's not been the traditional idea, not the Walt Whitman idea, not the George Washington, Abraham Lincoln idea, which is one of welcoming because we're the last, best hope of Earth.

Some people think humility is thinking lowly of yourself. Some people think it's not thinking about yourself. But, to me, the best definition of humility is radical self-awareness from a distance, seeing themselves from a distance and saying, what's my problem?