If we're in a bubble, it's the weirdest bubble I've ever seen, where everybody hates everything.

Breakthrough ideas look crazy, nuts. It’s hard to think this way — I see it in other people’s body language, and I can feel it in my own, where I sometimes feel like I don’t even care if it’s going to work, I can’t take more change. O.K., Google, O.K., Twitter—but Airbnb? People staying in each other’s houses without there being a lot of axe murders?

An awful lot of successful technology companies ended up being in a slightly different market than they started out in.

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

Learning to code is the single best thing anyone can do to get the most out of the amazing future in front of us.

I don't waste time being depressed.

In the startup world, you're either a genius or an idiot. You're never just an ordinary guy trying to get through the day