A lot of people with high IQs are terrible investors because they've got terrible temperaments. And that is why we say that having a certain kind of temperament is more important than brains. You need to keep raw irrational emotion under control. You need patience and discipline and an ability to take losses and adversity without going crazy. You need an ability to not be driven crazy by extreme success

You must force yourself to consider opposing arguments. Especially when they challenge your best loved ideas.

I don't think vengeance is much good.

Opportunity comes to the prepared mind.

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.

Our job is to find a few intelligent things to do, not to keep up with every damn thing in the world.

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