Understanding how to be a good investor makes you a better business manager and vice versa.

I'm not entitled to have an opinion unless I can state the arguments against my position better than the people who are in opposition. I think that I am qualified to speak only when I've reached that state.

The harder you work, the more confidence you get. But you may be working hard on something that is false.

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.

Avoid working directly under somebody you don't admire and don't want to be like.

Intense interest in any subject is indispensable if you're really going to excel in it.

If you have competence, you know the edge. It wouldnt be a competence if you didnt know where the boundaries lie. Asking whether youve passed the boundary is a question that almost answers itself.