No great man lives in vain. The history of the world is but the biography of great men.

The old cathedrals are good, but the great blue dome that hangs over everything is better.

Silence is the element in which great things fashion themselves together.

I don't pretend to understand the Universe - it's a great deal bigger than I am.

The difference between Socrates and Jesus? The great conscious and the immeasurably great unconscious.