"If you look at the arc of history, it's always gone towards more transparency and more sharing."

"I'm just really focused on building the best products we can."

"I mean, it's not even like we're trying to censor people. We're trying to make sure that people are safe."

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

"The thing is, is that we're going to keep building products because we believe in them."