Be always restless, unsatisfied, unconforming. Whenever a habit becomes convenient, smash it! The greatest sin of all is satisfaction.

He who is invisible sees more clearly, hears more clearly, and is better able to read the thoughts of men.

What is truth? What is falsehood? Whatever gives wings to men, whatever produces great works and great souls and lifts up a man's height above the earth - that's true. Whatever clips off man's wings - that's false.

Yes, there is weeping, even in heaven, but it is for those who are still crawling on the earth.

Overdraw me, Lord, and who cares if I break.

When everything goes wrong, what a joy to test your soul and see if it has endurance and courage! An invisible and all-powerful enemy—some call him God, others the Devil, seem to rush upon us to destroy us; but we are not destroyed.

Be always restless, unsatisfied, unconforming. Whenever a habit becomes convenient, smash it! The greatest sin of all is satisfaction.