Short, sweet, and to the point. Clear writing, and therefore clear commands, comes from clear thinking. Think simple.

Get good at being a troublemaker and saying sorry when you really screw up

At its core, I don't view Facebook as a social network. I think it could become the driver's license of the Internet. And beyond that, it can become the pipes and the plumbing upon what most of the Internet is built. I think it's very well positioned.

People frequently fail when they try to do everything at once. They approach a massive project and quickly get discouraged. Taking small, but high-value steps takes less time, and you learn more in the long run.

If you don't have time, you don't have priorities.

Sometimes you need to go on a low-information diet.

Simplicity requires ruthlessness.