There is a comprehensive abstract system of human function and personality from which every individual develops a unique personality profile.
This system incorporates the various intellectual faculties, emotional abilities, communication skills and functional senses.
The individual does not play an active part in the origination and initial design of their own personality. It is a design that is refined through the volatile factors of genetics, environment, biochemical formulae and physiological makeup.
Each person is endowed with his or her own unique profile, a profile which is a subset of the total system, although it incorporates all of the components of the system in one form or another.
It is possible for a person to understand their personality and behavior through understanding this system. And it is the responsibility of a person to use this personality to its utmost potential.
This is the essence of this book. The rest is description and explanation based on Torah, common experience, and contemporary psychological concepts.