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

Building a mission and building a business go hand-in-hand. It is true that the primary thing that makes me excited about what we're doing is the mission, but I also think, from the very beginning, we've had this healthy understanding which is that we need to do both.

What Facebook stands for in the world is giving people a voice and spreading ideas and rationalism.

In my experience everyone will have a different view of the right level of tax so governments need to provide clear guidance that conforms to a set of international standards that all governments accept.

Simply put: we don't build services to make money; we make money to build better services.

More than four million businesses have Pages on Facebook that they use to have a dialogue with their customers.

The real question for me is, do people have the tools that they need in order to make those decisions well? And I think that it's actually really important that Facebook continually makes it easier and easier to make those decisions... If people feel like they don't have control over how they're sharing things, then we're failing them.