I think we have lost our way when people like the [board of] governors and the CEO of the NYSE fail to realize they have a duty to the rest of us to act as exemplars... You do not want your first-grade school teacher to be fornicating on the floor or drinking booze in the classroom; similarly you do not want your stock exchange to be setting the wrong moral example.

If the same family were always on the bottom, then you'd have big resentments. But if DuPonts go down and Pampered Chef up, [that's good]. That much churn makes people think the system is fairer. Buffett: We don't like churn now, but we liked it more 30-40 years ago.

Economists get very uncomfortable when you talk about virtue and vice. It doesn't lend itself to a lot of columns with numbers. But I would argue that there are big virtue effects in economics. I would say that the spreading of double-entry bookkeeping by the Monk, Fra Luce de Pacioli, was a big virtue effect in economics. It made business more controllable, and it made it more honest.

Ben Franklin and Samuel Johnson, he credits their wisdom for his success. "They were both utterly brilliant men. And powerful communicators. Both have helped me all the way through life. Their lessons are easy to assimilate."

Mankind invented a system to cope with the fact that we are so intrinsically lousy at manipulating numbers. It's called the graph.

You have to have a temperament to grab ideas and do sensible things. Most people don’t grab the right ideas or don’t know what to do with them.

Berkshireis not as good as it was in terms of percentage compounding [going forward], but it's still a hell of a business.