To me, it's obvious that the winner has to bet very selectively. It's been obvious to me since very early in life. I don't know why it's not obvious to very many other people.

A business model that relies on trickery is doomed to fail.

There are worse situations than drowning in cash and sitting, sitting, sitting. I remember when I wasn’t awash in cash — and I don’t want to go back.

The ethos of not fooling yourself is one of the best you could possibly have. It's powerful because it's so rare.

If you want to understand science, you have to understand math. In business, if you're enumerate, you're going to be a klutz. The good thing about business is that you don't have to know any higher math.

The idea of excessive diversification is madness. Wide diversification, which necessarily includes investment in mediocre businesses, only guarantees ordinary results.

The best thing a human being can do is to help another human being know more.