You don't choose your passions; your passions choose you.

If you look at academic studies, you can see that stock prices are most closely correlated with cash flow. It's such a straightforward number. Cash flow is what will drive shareholder returns.

Not the outcome any of us wanted.

I went to Princeton specifically to study physics.

The killer app that got the world ready for appliances was the light bulb. So the light bulb is what wired the world. And they weren't thinking about appliances when they wired the world. They were really thinking about - they weren't putting electricity into the home. They were putting lighting into the home.

We've had three big ideas at Amazon that we've stuck with for 18 years, and thy're the reason we're successful: Put the customer first. Invent. And be patient.

People forget already how much utility they get out of the Internet - how much utility they get out of e-mail, how much utility they get out of even simple things like brochureware online.