"We used to have this saying at Facebook, move fast and break things. The idea was that if you never broke anything, you weren't moving fast enough."

"I think that we have a responsibility to make sure that Facebook is a force for good in the world."

"People can be really smart or have skills that are directly applicable, but if they don't really believe in it, then they are not going to really work hard."

"If you just give people a voice, and you give people power, the system will work out."

"I'm still learning, and I'm still trying to figure things out."