Sigmund Freud — "The only person with whom you have to compare yourself is you in the past."

"The tendency to aggression is an innate, independent, instinctual disposition in man... it constitutes the most powerful obstacle to culture."

"Obsessive cleanliness is not a sign of virtue. It is a symptom of an anal character."

"A man who has been the undisputed favorite of his mother retains throughout life the triumphant feeling, the confidence in success, which not seldom brings actual success with it."

"Dreams are often most profound when they seem the most crazy."

"The aim of psychoanalysis is to strengthen the ego, to make it more independent of the super-ego, to widen its field of perception and enlarge its organization, so that it can appropriate fresh portio…"