I have three boxes on my desk: In, Out, and Too Hard.

Who would think of buying or selling a private business because of someone's guess on the stock market? The availability of a quotation for your business interest (stock) should always be an asset to be utilized if desired. If it gets silly enough in either direction, you take advantage of it. Its availability should never be turned into a livability whereby its periodic aberrations in turn formulate your judgements.

It's just that I landed up in a terrific capitalist system. One that pays people who allocate capital extraordinarily well. Intrinsically, I'm not worth as much as somebody who invents something that could improves people's life, or health or whatever.

You're neither right nor wrong because other people agree with you. You're right because your facts are right and your reasoning is right - that's the only thing that makes you right. And if your facts and reasoning are right, you don't have to worry about anybody else.

After 25 years of buying and supervising a great variety of businesses, Charlie [Munger] and I have not learned how to solve difficult business problems. What we have learned is to avoid them. To the extent we have been successful, it is because we have concentrated on identifying one-foot hurdles that we could step over rather than because we acquired any ability to clear seven-footers.

It makes a difference who the treasury secretary is.

Risk can be greatly reduced by concentrating on only a few holdings.