My number one piece of advice is: you should learn how to program.

Don't discount yourself, no matter what you're doing. Everyone has a unique perspective that they can bring to the world.

There is a huge need and a huge opportunity to get everyone in the world connected, to give everyone a voice and to help transform society for the future. The scale of the technology and infrastructure that must be built is unprecedented, and we believe this is the most important problem we can focus on.

It is important for young entrepreneurs to be adequately self-aware to know what they do not know.

I think that people just have this core desire to express who they are. And I think that's always existed.

Betting completely on HTML5 is one of the, if not THE biggest strategic mistake we've made.

Facebook is uniquely positioned to answer questions that people have, like, what sushi restaurants have my friends gone to in New York lately and liked? These are queries you could potentially do with Facebook that you couldn't do with anything else, we just have to do it.