I went to Princeton specifically to study physics.

The death knell for any enterprise is to glorify the past -- no matter how good it was.

If you're competitor-focused, you have to wait until there is a competitor doing something. Being customer-focused allows you to be more pioneering.

Feel free to cover Amazon any way you want. Feel free to cover Jeff Bezos any way you want.

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.

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

Cleverness is a gift, kindness is a choice.