When I went to school, it was right after the '60s and before this general wave of practical purposefulness had set in.... The idealistic wind of the '60s was still at our backs, though, and most of the people I know who are my age have that engrained in them forever.

You are all over the map, figure out the top 5 things you want to focus on and get rid of the rest.

I'm convinced that about half of what separates successful entrepreneurs from the non-successful ones is pure perseverance.

I hate the way people use PowerPoints instead of thinking

The real art is knowing what to leave out, not what to put in.

As individuals, people are inherently good. I have a somewhat more pessimistic view of people in groups. And I remain extremely concerned when I see what's happening in our country, which is in many ways the luckiest place in the world. We don't seem to be excited about making our country a better place for our kids.

We don't get a chance to do that many things, and every one should be really excellent. Because this is our life. Life is brief, and then you die, you know? So this is what we've chosen to do with our life.