Schopenhauer's thinking is a monument to human vicissitudes, to the problems that, in existence, we liked us without rest: death, despair, love, culture, discouragement, war, lies, art, The right, etc. While ethics deals with just or unfair working, wondering how man, political science and legislative theory should be acted, without more, in the condition of injustice. The State should not encourage morality, but just to prevent the bad actions of its citizens through the threat of punishments, in this way will ensure by justice creating and applying a coercive legal system.