The cash register did more for human morality than the Congregational Church. It was a really powerful phenomenon to make an economic system work better, just as, in reverse, a system that can be easily defrauded ruins a civilization. A system that's very hard to defraud, like a cash register, helped the economic performance of a civilization by reducing vice, but very few people within economics talk about it in those terms.

For years I have read the morning paper and harrumphed. There's a lot to harrumph about now.

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.

If you have the opportunities of Berkshire, an investment in gold is dumb.

Spend each day trying to be a little wiser than you were when you woke up. Day by day, and at the end of the day-if you live long enough-like most people, you will get out of life what you deserve.

I would argue that a majority of the horrors we face would not have happened if the accounting profession developed and enforced better accounting.

I believe that we are at or near the apex of a great civilization... In 50-100 years, if we're a poor third to some countries in Asia, I wouldn't be surprised. If I had to bet, the part of the world that will do best will be Asia.