A book is made better by good readers and clearer by good opponents.

An artist chooses his subjects: that is the way he praises.

We do not hate as long as we still attach a lesser value, but only when we attach an equal or a greater value.

You I advise not to work, but to fight. You I advise not to peace, but to victory. Let your work be a fight, let your peace be a victory!

What is life? A continuous praise and blame.

Sometimes all you need to do to win clever people over to a principle is to present it in the form of a shocking paradox.

Whoever deliberately attempts to insure confidentiality with another person is usually in doubt as to whether he inspires that person's confidence in him. One who is sure that he inspires confidence attaches little importance to confidentiality.