It is very difficult to get people to focus on the most important things when you're in boom times.

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.”

Above all else, align with customers. Win when they win. Win only when they win.

Percentage margins don't matter. What matters always is dollar margins: the actual dollar amount. Companies are valued not on their percentage margins, but on how many dollars they actually make, and a multiple of that.

Ebooks had to happen.

Good ideas will always get funded, so that's not going to be a problem. But you will see that it will be harder and harder for bad ideas to get funded.

You're not going to make Hemingway better by adding animations.