The biggest risk is not taking any risk.
Moving fast enables us to build more things and learn faster. However, as most companies grow, they slow down too much because they’re more afraid of making mistakes than they are of losing opportunities by moving too slowly. We have a saying: “Move fast and break things.” The idea is that if you never break anything, you’re probably not moving fast enough.
Facebook was not originally created to be a company. It was built to accomplish a social mission – to make the world more open and connected
I feel like it’s really hard to decide to start a company. [I didn't start] Facebook to start a company, I started it because I really wanted this thing personally and I believed that it should exist globally although I wasn’t quite sure if we would be able to play a role in doing that. It was just mostly through wanting to build it and having it be this hobby and getting people around me excited that it kind of eventually evolved into and got the momentum to become a company