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.

The primary things that people do on the Facebook is they use it to share with their friends and the people around them and their community, and they use it to keep in touch with people.

People have really gotten comfortable not only sharing more information and different kinds, but more openly and with more people - and that social norm is just something that has evolved over time.

Hollywood has nothing to do with real life.

The thing I really care about is the mission, making the world open.

Nothing influences people more than are commendation from a trusted friend.

So many businesses get worried about looking like they might make a mistake, they become afraid to take any risk. Companies are set up so that people judge each other on failure. I am not going to get fired if we have a bad year. Or a bad five years. I don’t have to worry about making things look good if they’re not. I can actually set up the company to create value.