We were hoping to build a small profitable company; and of course, what we've done is build a large, unprofitable company.

Mediocre theoretical physicists make no progress. They spend all their time understanding other people's progress.

The framework I found which made the decision incredibly easy was what I called — which only a nerd would call — a “regret minimization framework.” So, I wanted to project myself forward to age 80 and say, “Okay, now I’m looking back on my life. I want to have minimized the number of regrets I have.”

Ebooks had to happen.

I've not seen an effective manager or leader who can't spend some fraction of time down in the trenches... If they don't do that they get out of touch with reality, and their whole thought and management process becomes abstract and disconnected.

If you don't understand the details of your business you are going to fail.

There are two kinds of companies, those that work to try to charge more and those that work to charge less. We will be the second.