If you can get good at destroying your own wrong ideas, that is a great gift.

Avoid working directly under somebody you don't admire and don't want to be like.

My idea of a good place to shop is Costco - it has these heavily marbled fillet steaks. The idea of eating some wheat thing and washing it down with carrot juice has never appealed to me.

Even bright people are going to have limited, really valuable insights in a very competitive world when they're fighting against other very bright, hardworking people. And it makes sense to load up on the very few good insights you have instead of pretending to know everything about everything at all times.

Understanding how to be a good investor makes you a better business manager and vice versa.

I have a black belt in chutzpah. I was born with it. Some people, like some of the women I know, have a black belt in spending. They were born with that. But what they gave me was a black belt in chutzpah.

No CEO examining books today understands what the hell is going on.