The extraordinary business does not require good management.

No formula in finance tells you that the moat is 28 feet wide and 16 feet deep. That's what drives the academics crazy. They can compute standard deviations and betas, but they can't understand moats.

You can lose leverage, and it's the only way a smart guy can go broke.

The patient that's on the floor with the cardiac arrest is not Wall Street. It's the American economy.

Investors, of course, can, by their own behavior make stock ownership highly risky. And many do. Active trading, attempts to "time" market movements, inadequate diversification, the payment of high and unnecessary fees to managers and advisors, and the use of borrowed money can destroy the decent returns that a life-long owner of equities would otherwise enjoy. Indeed, borrowed money has no place in the investor's tool kit.

When people tell me they've learned from experience, I tell them the trick is to learn from other people's experience.

The secret is to find what you love to do.I mean, I tell the students look for the job that you would take if you didn't need a job. I mean, it's that simple. And I was lucky enough to find it very early in life. And then the second thing is to have people around you that make feel good every day, and make you a better person than you otherwise would be.