There’s no way that you can live an adequate life without many mistakes. In fact, one trick in life is to get so you can handle mistakes. Failure to handle psychological denial is a common way for people to go broke.

A lot of share-buying, not bargain-seeking, is designed to prop stock prices up. Thirty to 40 years ago, it was very profitable to look at companies that were aggressively buying their own shares. They were motivated simply to buy below what it was worth.

When I run into a paradox I think either I'm a total horse's ass to have gotten to this point, or I'm fruitfully near the edge of my discipline. It adds excitement to life to wonder which it is.

Berkshire was built on the eternal verities: basic mathematics, basic horse sense, basic fear, and basic diagnosis of human nature to make predictions regarding human behavior. We stuck to the basics with a certain amount of discipline and it has worked out quite well.

Forgetting your mistakes is a terrible error if you are trying to improve your cognition.

I don't have too much interest in teaching other people how to get rich. And that isn't because I fear the competition or anything like that - Warrenhas always been very open about what he's learned, and I share that ethos. My personal behavior model is Lord Keynes: I wanted to get rich so I could be independent, and so I could do other things like give talks on the intersection of psychology and economics. I didn't want to turn it into a total obsession.

If people tell you what you really don't want to hear what's unpleasant-there's an almost automatic reaction of antipathy. You have to train yourself out of it.