A lot of great fortunes in the world have been made by owning a single wonderful business. If you understand the business, you don't need to own very many of them.

I'm always interested in understanding the math of things and understanding as much as I can about all aspects of business. And what I learn today may be useful to me two years from now. That's really the wonderful thing about investments is your knowledge is cumulative.

You do things when the opportunities come along. I've had periods in my life when I've had a bundle of ideas come along, and I've had long dry spells. If I get an idea next week, I'll do something. If not, I won't do a damn thing.

The active investors will have their returns diminished by a far greater percentage than will their inactive brethren. That means that the passive group - the "know-nothings" - must win.

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

With a wonderful business, you can figure out what will happen; you can't figure out when it will happen. You don't want to focus on when, you want to focus on what. If you're right about what, you don't have to worry about when

Investors... can't pick stocks that are better than average. Stocks are a good thing to own over time. There's only two things you can do wrong: You can buy the wrong ones, and you can buy or sell them at the wrong time. And the truth is you never need to sell them.