"I think the Internet is like a big library. It's a place where you can go to find information, to learn, to connect with people."

"I'm a big fan of the idea of learning, and I think that's what we're all here for."

"If I'd had some idea of the scope of the problem, I'd have been a philosophy major."

"I'm a big believer in the idea of giving back."

"Until we can get rid of malaria and tuberculosis, and all these diseases that are so terrible in poor countries, that's going to be my total focus."