"We don’t think of the world as being made up of countries, we think of it as being made up of communities."

"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."

"My goal was never to just build a company. It was to build something that actually makes a big change in the world."

"It's kind of like, you know, when you're building a house, you need to lay the foundation first."

"We need to make sure that we're doing everything we can to protect people's privacy and data."