The very emphasis of the commandment: Thou shalt not kill, makes it certain that we are descended from an endlessly long chain of generations of murderers, whose love of murder was in their blood as it is perhaps also in ours.

It almost looks like analysis were the third of those 'impossible' professions in which one can be quite sure of unsatisfying results. The other two, much older-established, are the bringing up of children and the government of nations.

Analogies, it is true, decide nothing, but they can make one feel more at home.

Poets are masters of us ordinary men, in knowledge of the mind, because they drink at streams which we have not yet made accessible to science.

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

The study of dreams may be considered the most trustworthy method of investigating deep mental processes. Now dreams occurring in traumatic neuroses have the characteristic of repeatedly bringing the patient back into the situation of his accident, a situation from which he wakes up in another fright.

There are no mistakes.