Trump is an innovator who has shown how out of step the political establishment was. Which I think, probably, in the long term will be healthy. We have to figure out how to reinvigorate our political institutions and he's demonstrating to us the urgency of that task.

Track is full of the absolute nicest and most polite athletes in all of sports, and where does it get us?

I think that persistence and stubbornness and hard work are probably, at the end of the day, more important than the willingness to take a risk.

The difference isn't resources, it's attitude.

Six degrees of separation doesn't mean that everyone is linked to everyone else in just six steps. It means that a very small number of people are linked to everyone else in a few steps, and the rest of us are linked to the world through those special few.

There are lots of issues more important than where billionaires donate their money.

Our first impressions are generated by our experiences and our environment, which means that we can change our first impressions... by changing the experiences that comprise those impressions.