Running a start-up is like eating glass. You just start to like the taste of your own blood.

At the end of the day, money is just a proxy for votes. That is what makes politics so vulnerable to social media.

It’s not cool. I think being a wealthy member of the establishment is the antithesis of cool. Being a countercultural revolutionary is cool. So to the extent that you’ve made a billion dollars, you’ve probably become uncool.

At every point I am besieged by people who would like me to conform to some social norm of whatever sort of social group they expect me to be a part of. I never have any identification with these social groups.

A million dollars isn’t cool. You know what’s cool? A billion dollars.

I think Facebook's biggest problem is the glut of information that Facebook's power users are overwhelmed with.

Running a start-up is like eating glass. You just start to like the taste of your own blood.