While no real money came down, my family gave me a good education and a marvelous example of how people should behave, and in the end that was more valuable than money. Being surrounded by the right values from the beginning is an immense treasure. Warrenhad that. It even has a financial advantage.

The hedge fund known as "Long Term Capital Management" collapsed last fall through overconfidence in its highly leveraged methods, despite I.Q.'s of its principals that must have averaged 160. Smart people aren't exempt from professional disasters from overconfidence. Often, they just run aground in the more difficult voyages they choose, relying on their self-appraisals that they have superior talents and methods.

We get these questions a lot from the enterprising young. It's a very intelligent question: You look at some old guy who's rich and you ask, 'How can I become like you, except faster?'

Of course you want to drive that out of yourself because you want to be wise, not foolish. You also have to allow for the self-serving bias of everybody else because most people are not going to remove it all that successfully, the human condition being what it is. If you don't allow for self-serving bias in your conduct, again you're a fool.

If you don't keep learning, other people will pass you by. Temperament alone won't do it - you need a lot of curiosity for a long, long time.

You must know the big ideas in the big disciplines, and use them routinely - all of them, not just a few. Most people are trained in one model - economics, for example - and try to solve all problems in one way. You know the old saying: to the man with a hammer, the world looks like a nail. This is a dumb way of handling problems.

The laws of thermodynamic s are such that if the water is getting warmer - and I believe it is - the energy of the weather is going to go up.