A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.

Thought's infidelity lies in its privacy. 'If there is something that you cannot say to me,' asks the lover, 'things that you must think alone, then can you really be trusted?'

We will cease to be so angry once we cease to be so hopeful.

"To travel is to discover that everyone is wrong about other countries."