"Whoever loves becomes humble. Those who love have, so to speak, pawned a part of their narcissism."

"I was making frequent use of cocaine at that time ... I had been the first to recommend the use of cocaine, in 1885, and this recommendation had brought serious reproaches down on me."

"Unexpressed emotions will never die. They are buried alive and will come forth later in uglier ways."

"The behavior of a human being in sexual matters is often a prototype for the whole of his other modes of reaction in life."

"Perhaps the hopes I have confessed to are of an illusory nature, too. But I hold fast to one distinction. Apart from the fact that no penalty is imposed for not sharing them, my illusions are not, like religious ones, incapable of correction."

"America is the most grandiose experiment the world has seen, but, I am afraid, it is not going to be a success."

"I have, as it were, constructed a lay-figure for the purposes of a demonstration which I desired to be as rapid and as impressive as possible."

"Nothing that is mentally our own can ever be lost."

"What progress we are making. In the Middle Ages they would have burned me. Now they are content with burning my books."

"We believe that it is possible for scientific work to gain some knowledge about the reality of the world, by means of which we can increase out power and in accordance with which we can arrange our life. If this belief is an illusion, then we are in the same position as you. But science has given us evidence by its numerous and important successes that it is no illusion."

"With words one man can make another blessed, or drive him to despair; by words the teacher transfers his knowledge to the pupil; by words the speaker sweeps his audience with him and determines its judgments and decisions. Words call forth effects and are the universal means of influencing human beings."

"I no longer believe that William Shakespeare the actor from Stratford was the author of the works that have been ascribed to him."

"He that has eyes to see and ears to hear may convince himself that no mortal can keep a secret. If his lips are silent, he chatters with his fingertips; betrayal oozes out of him at every pore."

"Religious doctrines are all illusions, they do not admit of proof, and no one can be compelled to consider them as true or to believe in them."

"As regards intellectual work it remains a fact, indeed, that great decisions in the realm of thought and momentous discoveries and solutions of problems are only possible to an individual, working in solitude."

"The virtuous man contents himself with dreaming that which the wicked man does in actual life."

"Illusions commend themselves to us because they save us pain and allow us to enjoy pleasure instead. We must therefore accept it without complaint when they sometimes collide with a bit of reality against which they are dashed to pieces."

"We live in very remarkable times. We find with astonishment that progress has concluded an alliance with barbarism."

"Just as no one can be forced into belief, so no one can be forced into unbelief."

"A certain degree of neurosis is of inestimable value as a drive, especially to a psychologist."

"Neurotics complain of their illness, but they make the most of it, and when it comes to talking it away from them they will defend it like a lioness her young."

"Civilized society is perpetually menaced with disintegration through this primary hostility of men towards one another."

"My love is something valuable to me which I ought not to throw away without reflection."

"Like the physical, the psychical is not necessarily in reality what it appears to us to be."

"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."

"He who knows how to wait need make no concessions."

"We cannot fail to recognise the influence which the progressive control over natural forces exerts on the social relationships between men, since men always place their newly won powers at the service of their aggressiveness, and use them against one another."

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

"In so doing, the idea forces itself upon him that religion is comparable to a childhood neurosis, and he is optimistic enough to suppose that mankind will surmount this neurotic phase, just as so many children grow out of their similar neurosis."

"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."

"The child is brought up to know its social duties by means of a system of love-rewards and punishments, and in this way it is taught that its security in life depends on its parents (and, subsequently, other people) loving it and being able to believe in its love for them."

"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."

"Where such men love they have no desire and where they desire they cannot love."

"It is a predisposition of human nature to consider an unpleasant idea untrue, and then it is easy to find arguments against it."

"Our memory has no guarantees at all, and yet we bow more often than is objectively justified to the compulsion to believe what it says."

"That which he projects ahead of him as his ideal, is merely his substitute for the lost narcissism of his childhood - the time when he was his own ideal."

"In many criminals, especially youthful ones, it is possible to detect a very powerful sense of guilt which existed before the crime, and is therefore not its result but its motive. It is as if it was a relief to be able to fasten this unconscious sense of guilt on to something real and immediate."

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

"We are so made that we can derive intense enjoyment only from a contrast and very little from a state of things."

"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."

"Immorality, no less than morality, has at all times found support in religion."

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

"Experience teaches us that the world is not a nursery."

"A religion, even if it calls itself a religion of love, must be hard and unloving to those who do not belong to it."

"Our philosophy has preserved essential traits of animistic modes of thought such as the over-estimation of the magic of words and the belief that real processes in the external world follow the lines laid down by our thoughts."