About the Unconscious, as Sigmund Freud presented it to us in 1915, I will speak in my own words. Our Unconscious is unknown. It lives and reigns without us being aware of it. It is full of small and large desires, which aim for their satisfaction regardless of the cost and consequences.

As a result, the Unconscious can cause difficulties, even dangers, to the bearer and others.

(...) [Excerpt from the introductory text of the edition]