It used to be the case, like, you'd switch jobs, and then maybe you wouldn't keep in touch with all the people that you knew from that old job. Just because it was too hard. But one of the things that Facebook does is it makes it really easy to just stay in touch with all these people.

I would only hire someone to work directly for me if I was willing to work for that person.

When I look around the world and see so many countries turning people away, I think it is terrible. And I know that these are all issues that Germany is culturally dealing with in terms of integration but it is just something that I deeply admire.

When I started Facebook from my dorm room in 2004, the idea that my roommates and I talked about all the time was a world that was more open.

In a world that's changing so quickly, you're guaranteed to fail if you don't take any risks.

There are many machines throughout history that were built to do something better than a human can.

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