The one thing that offends me the most is when I walk by a bank and see ads trying to convince people to take out second mortgages on their home so they can go on vacation. That's approaching evil.

Infrastructure web services had to happen.

Our vision is every book ever printed in any language [fetched and viewable on our eBook Kindle device] in under 60 seconds.

If you make customers unhappy in the physical world, they might each tell 6 friends. If you make customers unhappy on the Internet, they can each tell 6,000 friends.

One of the things that gets me up in the morning is knowing that customer expectations are always rising, and I find that very exciting.

If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

If you are going to do large-scale invention, you have to be willing to do three things: You must be willing to fail; you have to be willing to think long term; and you have to be willing to be misunderstood for long periods of time.