I think there's something to be said for developing the disposition to own stocks without fretting.

Over the long term, the eclipse rate of great civilizations being overtaken is 100%. So you know how it's going to end. (Laughter) I'm more optimistic about the staying power of what's good in this country. But just because you have a wonderful spouse doesn't mean you should treat her badly. You have the feeling that some of the old virtues [that made this country great] are lessening. But there's so much good and so much strength left that I would not expect this country to suddenly founder.

Darwin paid particular attention to disconfirming evidence. Objectivity maintenance routines are totally required in life if you're going to be a great thinker.

Most people will see declining returns [due to inflation]. One of the great defenses if you're worried about inflation is not to have a lot of silly needs in your life - you don't need a lot of material goods.

I don't want to understand Facebook.

There are a lot of things in life way more important than money. All that said, some people do get confused. I play golf with a man who says, " What good is health? You can't buy money with it."

If you have competence, you know the edge. It wouldnt be a competence if you didnt know where the boundaries lie. Asking whether youve passed the boundary is a question that almost answers itself.