You only ever experience two emotions: euphoria and terror. And I find that lack of sleep enhances them both.

There's no such thing as the middle class. It's absolutely vanishing.

No one should expect building a new high-growth, software-powered company in an established industry to be easy. It's brutally difficult.

There is the opportunity to do more and better if you're smaller and more nimble.

My goal is not to fail fast. My goal is to succeed over the long run. They are not the same thing.

There's a new generation of entrepreneurs in the Valley who have arrived since 2000, after the dotcom bust. They're completely fearless.

Google is working on self-driving cars, and they seem to work. People are so bad at driving cars that computers don't have to be that good to be much better.