“Finding your purpose isn't enough. the challenge for our generation is creating a world where everyone has a sense of purpose.”

“If you just work on stuff that you like and youre passionate about, you dont have to have a master plan with how things will play out.”

“My friends are people who like building cool stuff. We always have this joke about people who want to just start companies without making something valuable. There's a lot of that in Silicon Valley.”

“My goal was never to make Facebook cool. I am not a cool person.”

“The thing that we are trying to do at facebook, is just help people connect and communicate more efficiently.”

“I think humans are just hard-wired to process people's faces and understand meaning and expression at such a more granular level than other types of communication.”

“They had killed themselves over our dying forests, over manatees maimed by propellers as they surfaced to drink from garden hoses; they had killed themselves at the sight of used tires stacked high...”

“The world seemed to shimmer a little at the edges.”

“If we cannot accept the importance of the world, which considers itself important, if in the midst of that world our laughter finds no echo, we have but one choice: to take the world as a whole and...”

“I shiver, thinking how easy it is to be totally wrong about people-to see one tiny part of them and confuse it for the whole, to see the cause and think it's the effect or vice versa”

“At sunrise everything is luminous but not clear.”

“I think it's impossible to really understand somebody, what they want, what they believe, and not love them the way they love themselves.”

“Not everyone may not think the way you do.”

“I think you're wrong.""Think what you like.”

“To think, to think, even with a split second left - to think was the only hope.”