One of the things that I hope will distinguish Amazon.com is that we continue to be a company that defies easy analogy. This requires a lot of innovation, and innovation requires a lot of random walk.

Where you are going to spend your time and your energy is one of the most important decisions you get to make in life.

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

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.

We've got thousands of investors counting on us. And we're a team of thousands of employees all counting on each other. That's fun.

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

I went to Princeton specifically to study physics.