Risk comes from not knowing what you're doing.

I was lucky enough to be born in a time and place where society values my talent, and gave me a good education to develop that talent, and set up the laws and the finanical system to let me do what I love doing-and make a lot of money doing it. The least I can do is help pay for all that.

Part of making good decisions in business is recognizing the poor decisions you've made and why they were poor. I've made lots of mistakes. I'm going to make more. It's the name of the game. You don't want to expect perfection in yourself. You want to strive to do your best. It's too demanding to expect perfection in yourself.

Focus on return on equity, not earnings per share.

It is not necessary to do extraordinary things to get extraordinary results.

If you hit a hole in one every hole, you wouldn’t play golf for very long.

Read Ben Graham and Phil Fisher read annual reports, but don't do equations with Greek letters in them.