Our standard prescription for the know-nothing investor with a long-term time horizon is a no-load index fund. I think that works better than relying on your stock broker. The people who are telling you to do something else are all being paid by commissions or fees. The result is that while index fund investing is becoming more and more popular, by and large it's not the individual investors that are doing it. It's the institutions.

Opportunity cost is a huge filter in life. If you've got two suitors who are really eager to have you and one is way the hell better than the other, you do not have to spend much time with the other. And that's the way we filter out buying opportunities.

...being an effective teacher is a high calling.

What good is envy? It’s the one sin you can’t have any fun at.

I see almost no change in the price of the composite product that flows through Costco I don't feel sorry for the people who pay $27 million for an 8,000-square-foot condo in Manhattan. So inflation comes in places.

Someone will always be getting richer faster than you. This is not a tragedy.

Bernie Ebbers and Ken Lay were caricatures - they were easy to spot. They were almost psychopaths. But it's much harder to spot problems at companies like Royal Dutch [Shell].