Move fast, take risks, it's okay to try big things you're better off trying something and having it not work and learning from that than having not done anything at all.

It's tough to say, exactly, what things will look like in three to five years, but there's a lot of work to do in just moving along the path that we've already set out.

People developed planes first and then took care of flight safety. If people were focused on safety first, no one would ever have built a plane.

There are a few other things that I built when I was at Harvard that were kind of smaller versions of Facebook.

VR is a very intense visual experience and having the most powerful PC is the only way to deliver certain experiences.

You hear these stories about people who take apart their radio and put it back. Or just learn a lot from taking it apart. But I wasn't as into that stuff as I was just into how computer programs work.

I personally don't invest in a lot of companies because I think it would be a conflict of interest and Facebook doesn't typically either.