"Neurosis is the inability to tolerate ambiguity."

"Just as a cautious businessman avoids investing all his capital in one concern, so wisdom would probably admonish us also not to anticipate all our happiness from one quarter alone."

"If youth knew; if age could."

"Being entirely honest with oneself is a good exercise."

"I cannot think of any need in childhood as strong as the need for a father's protection."

"The first human who hurled an insult instead of a stone was the founder of civilization."

"I have found little that is "good" about human beings on the whole. In my experience most of them are trash, no matter whether they publicly subscribe to this or that ethical doctrine or to none at all. That is something that you cannot say aloud, or perhaps even think."

"One is very crazy when in love."

"Every normal person, in fact, is only normal on the average. His ego approximates to that of the psychotic in some part or other and to a greater or lesser extent."

"The psychoanalysis of neurotics has taught us to recognize the intimate connection between wetting the bed and the character trait of ambition."

"We have long observed that every neurosis has the result, and therefore probably the purpose, of forcing the patient out of real life, of alienating him from actuality."

"Love and work... work and love, that's all there is."

"What we call happiness in the strictest sense comes from the (preferably sudden) satisfaction of needs which have been dammed up to a high degree."

"It is impossible to overlook the extent to which civilization is built upon a renunciation of instinct."

"The psychical, whatever its nature may be, is itself unconscious."

"Analysis does not set out to make pathological reactions impossible, but to give the patient's ego freedom to decide one way or another."

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