"The primitive, unbridled sexual drives are the most important source of neuroses."

"The tendency to aggression is an innate, independent, instinctual disposition in man."

"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…"

"The great question that has never been answered, and which I myself have not yet been able to answer, despite my thirty years of research into the feminine soul, is 'What does a woman want?'"

"The mind is like an iceberg, it floats with one-seventh of its bulk above water."