Twenty years and $40 billion. They seem like good round numbers.

It's easy to decide what you're going to do. The hard thing is deciding what you're not going to do.

If you want to sustain excellence over a long time, you'd better come up with a system that works well. Anyone can sprint for a little while, but you can't sprint for forty years.

The very thing you fear could be the best thing to ever happen to you

By questioning all the aspects of our business, we continuously inject improvement and innovation into our culture.

Recognize that there will be failures, and acknowledge that there will be obstacles. But you will learn from your mistakes and the mistakes of others, for there is very little learning in success.

I'm a big believer in online communities and in user-generated content.