What is the most precious thing in the world? I see now that it is the knowledge that you have no part in injustice. Injustice is stronger than you, it always was and always will be, but let it not be done through you.

Freedom or prison--what's the difference? A man must develop unwavering will power subject only to his reason.

A hard life improves the vision.

If you live in a graveyard, you can't weep for everyone.

The foundation stones of a great building are destined to groan and be pressed upon; it is not for them to crown the edifice.

Human nature is full of riddles and contradictions; its very complexity engenders art-and by art I mean the search for something more than simple linear formulations, flat solutions, oversimplified explanations.

The essence of life will never be captured by even the greatest of formulas.