On motivation: "I strongly believe that missionaries make better products. They care more. For a missionary， it's not just about the business. There has to be a business， and the business has to make sense， but that's not why you do it. You do it because you have something meaningful that motivates you."
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
"We see what we want to see, and believe what we want to believe."
"In the study of computational complexity, we often find that the boundaries of what is possible are defined by the limits of our imagination."
