History is the science of what never happens twice.
A man who is 'of sound mind' is one who keeps the inner madman under lock and key.
That which has always been accepted by everyone, everywhere, is almost certain to be false.
Beware of what you do best; its bound to be a trap.
A real writer can be recognized by the fact he doesn't find words. Therefore he must search for them and while doing that, he finds better ones.
The mind has transformed the world, and the world is repaying it with interest. It has led man where he had no idea how to go.