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.

Mediocre theoretical physicists make no progress. They spend all their time understanding other people's progress.

Maintain a firm grasp of the obvious at all times.

Cleverness is a gift, kindness is a choice.

I'm skeptical of any mission that has advertisers at its centerpiece.

I went to Princeton specifically to study physics.

What consumerism really is, at its worst is getting people to buy things that don't actually improve their lives.