In a difficult business, no sooner is one problem solved than another surfaces - never is there just one cockroach in the kitchen.

Success in investing doesn’t correlate with I.Q. Once you are above the level of 25; once you have ordinary intelligence, what you need is the temperament to control the urges that get other people into trouble in investing.

There's nothing inappropriate about having debt in America. It's what helped us grow over time. And it's when debt gets out of control that you worry.

I make plenty of mistakes and I'll make plenty more mistakes, too. That's part of the game. You've just got to make sure that the right things overcome the wrong ones.

If you don't find a way to make money while you sleep, you will work until you die.

Continually challenge and be willing to amend your best loved ideas.

Only when you combine sound intellect with emotional discipline do you get rational behavior.