The idea of excessive diversification is madness.

The SEC does way more good than harm - the last thing I would do is get rid of the SEC...if accounting were thoroughly fixed, a lot of other sins would go away. We're paying a huge price for deterioration of accounting.

I don't think vengeance is much good.

How should the best parts of psychology and economics interrelate in an enlightened economist's mind?... I think that these behavioral economics...or economists are probably the ones that are bending them in the correct direction. I don't think it's going to be that hard to bend economics a little to accommodate what's right in psychology.

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

Almost all good businesses engage in 'pain today, gain tomorrow' activities.

We all are learning, modifying, or destroying ideas all the time. Rapid destruction of your ideas when the time is right is one of the most valuable qualities you can acquire. You must force yourself to consider arguments on the other side.