Long ago, Sir Isaac Newton gave us three laws of motion, which were the work of genius. But Sir Isaac's talents didn't extend to investing: He lost a bundle in the South Sea Bubble, explaining later, 'I can calculate the movement of the stars, but not the madness of men.' If he had not been traumatized by this loss, Sir Isaac might well have gone on to discover the Fourth Law of Motion: For investors as a whole, returns decrease as motion increases.

I don't really think that, as a society, we [americans] want to confer blessings on generation after generation who contribute nothing to society, simply because somebody in the far distant past happened to amass a great sum of wealth.

I don't need 15 houses. Owning real estate doesn't mean much to me. I don't like to think about things like that. I don't need 12 boats, or even the world's largest boat with a crew of 80. I'd have to take care of them, to worry about them. I get a lot more fun out of life without all the bells and whistles.

Cultivate curiosity and strive to become a little wiser every day.

Anything can happen anytime in markets. And no advisor, economist, or TV commentator-and definitely not Charlie nor I-can tell you when chaos will occur. Market forecasters will fill your ear but will never fill your wallet.

Never be afraid to ask for too much when selling or offer too little when buying.

We only want to link up with people whom we like, admire, and trust. ... We do not wish to join with managers who lack admirable qualities, no matter how attractive the prospects of their business. We've never succeeded in making a good deal with a bad person.