The scientific findings of psychology and psychoanalysis are here integrated with a spiritual concept of life.father Nuttin, a foremost European psychologist, discusses the relation between religion and sexuality, freedom and the unconscious, internal tension and the development of personality. Evaluating the work of Freud, Jung, Alexander, Rank, Adler, he underlines the points of contact between modern depth-psychology and Christian philosophy – and arrives at a new dynamic and existential theory of the psychic structure of normal personality.