The great philosophers are those who have made a difference in the way we think about the world and our place in it.

Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

In the end, we will remember not the words of our enemies, but the silence of our friends.

The future of computer science will be shaped by those who can seamlessly blend mathematical theory with computational practice.

There's not a liberal America and a conservative America - there's the United States of America.