Action and personal happiness have no truck with each other; they are eternally at war.

It's all a great mystery...Look up at the sky and you'll see how everything changes

The machine does not isolate man from the great problems of nature but plunges him more deeply into them.

No one has tamed you and you haven't tamed anyone.Your'e the way my fox was. He was just a fox like a hundred thousand others. But I've made him my friend, and now he's the only fox in the world.

He who bears in his heart a cathedral to be built is already victorious. He who seeks to become sexton of a finished cathedral is already defeated.

One must require from each one the duty which each one can perform. Accepted authority rests first of all on reason.

A civilization is built on what is required of men, not on that which is provided for them.