People can be really smart or have skills that are directly applicable, but if they don't really believe in it, then they are not going to really work hard.

The web is at a really important turning point right now. Up until recently, the default on the web has been that most things aren’t social and most things don’t use your real identity. We’re building toward a web where the default is social.

I’m here to build something for the long-term. Anything else is a distraction.

Of course, hate speech and racism have no place on Facebook

The most important thing is to keep your team as small as possible.

Berlin definitely has one of the most vibrant of the startup scenes that I have seen. Not really just across Europe, but across the whole world in terms of cities. It's an interesting dynamic.

I look at Google and think they have a strong academic culture. Elegant solutions to complex problems.