Lethargy bordering on sloth remains the cornerstone of our investment style. The exception was Wells Fargo, a superbly-managed, high-return banking operation in which we increased our ownership to just under 10%, the most we can own without the approval of the Federal Reserve Board.

I never try to predict the market.

You don't need to be a rocket scientist. Investing is not a game where the guy with the 160 IQ beats the guy with 130 IQ.

There are a few investment managers, of course, who are very good - though in the short run, it's difficult to determine whether a great record is due to luck or talent. Most advisors, however, are far better at generating high fees than they are at generating high returns. In truth, their core competence is salesmanship. Rather than listen to their siren songs, investors - large and small - should instead read Jack Bogle's The Little Book of Common Sense Investing.

Would your reply possibly be this? Well, it all depends on what my tax rate will be on the gain you're saying we're going to make. If the taxes are too high, I would rather leave the money in my savings account, earning a quarter of 1 percent. Only in Grover Norquist's imagination does such a response exist.

Everybody's got a different circle of competence. The important thing is not how big the circle is. The important thing is staying inside the circle.

The line separating investment and speculation, which is never bright and clear, becomes blurred still further when most market participants have recently enjoyed triumphs. Nothing sedates rationality like large doses of effortless money. After a heady experience of that kind, normally sensible people drift into behavior akin to that of Cinderella at the ball.