The Private Sphere from a Historical and Cultural Perspective.- The Private Sphere as an Emotional Territory – A Psychological and Evolutionary Perspective.- Integrity as Something Worthy of Moral Protection.- Respect for the Individual as a Person with Moral and Political Authority – Integrity from a Philosophical Perspective.- Balancing Seclusion and Participation – Integrity from the Perspective of Moral Philosophy.- Legal Protection – Privacy and Integrity from the Perspective of Jurisprudence and the Law.- Integrity as a Quality Worthy of Esteem and Respect.- Conclusions and Applications.