"The heaviness of being successful was replaced by the lightness of being a beginner again."

"Being the richest man in the cemetery doesn't matter to me. Going to bed at night saying we've done something wonderful… that's what matters to me."

"We're here to put a dent in the universe. Otherwise, why even be here?"

"The computer is the most remarkable tool that we’ve ever come up with. It’s the equivalent of a bicycle for our minds."

"My job is not to be easy on people; my job is to make them better."