There are two kinds of businesses: The first earns 12%, and you can take it out at the end of the year. The second earns 12%, but all the excess cash must be reinvested - there's never any cash. It reminds me of the guy who looks at all of his equipment and says, 'There's all of my profit.' We hate that kind of business.

You need a different checklist and different mental models for different companies. I can never make it easy by saying, 'Here are three things.' You have to derive it yourself to ingrain it in your head for the rest of your life.

We've had the most massive creation of wealth for people a lot younger than those who formerly got wealth in the history of the world. The world is full of young people who really want to get rich, and when I left school nobody thought it was a reasonable possibility.

What's the best way to get a good spouse? The best single way is to deserve a good spouse because a good spouse is by definition not nuts.

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.

If you're going to be an investor, you're going to make some investments where you don't have all the experience you need. But if you keep trying to get a little better over time, you'll start to make investments that are virtually certain to have a good outcome. The keys are discipline, hard work, and practice. It's like playing golf - you have to work on it.

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