The single most important decision in evaluating a business is pricing power.

We have embraced the 21st century by entering such cutting-edge industries as brick, carpet, insulation and paint. Try to control your excitement.

If you can't read the scoreboard. You don't know the score. If you don't know the score, you can't tell the winners from the losers.

I mean [Franklin Delano] Roosevelt didn't - you know, when he came in, he didn't print any money.

If I taught a class, on my final exam I would take an Internet company and ask, 'How much is this company worth?' Anyone who would answer, I would flunk.

Do not take yearly results too seriously. Instead, focus on four or five-year averages.

It's good to learn from your mistakes. It's better to learn from other people's mistakes.