The only way to do great work is to love what you do.
The study of computational complexity is not just about classifying problems; it is about understanding the nature of computation itself.
The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.
"Fear is the most democratic of all emotions."