Part — Koch–PreussPart I: Individual or Personal DutiesContentsChapter I: Nature and Obligation of Christian Self-LoveChapter II: The Moral Significance of the BodyChapter III: The Care of the BodyChapter IV: Negative Duties in Regard to Life and HealthChapter V: Positive Duties in Regard to Life and HealthChapter VI: The Duty of Developing the Mind