"I" and "It"

Sigmund Freud was an Austrian psychologist, psychiatrist and neurologist, founder of psychoanalysis, the author of numerous works: the Interpretation of dreams, Psychopathology of everyday life", "Wit and its relation to the unconscious, totem and taboo", etc. Represent Freud about the unconscious, sublimation, dynamic mental structure of the personality and motives of human behavior, the significance of children's emotional experience in the spiritual life of the adult, permanent mental attraction to Eros and death are widely spread in modern culture. This publication presents work, which is considered the culmination of the theoretical work of Freud. They stated and justified in the background of the thought of Freud and identification of the sources of origin of the substantive provisions of psychoanalysis.