The most complicated achievements of thought are possible without the assistance of consciousness.

The doctor should be opaque to his patients and, like a mirror, should show them nothing but what is shown to him.

No neurotic harbors thoughts of suicide which are not murderous impulses against others redirected upon himself.

Properly speaking, the unconscious is the real psychic; its inner nature is just as unknown to us as the reality of the external world, and it is just as imperfectly reported to us through the data of consciousness as is the external world through the indications of our sensory organs.

History is just new people making old mistakes.

Incidentally, why was it that none of all the pious ever discovered psycho-analysis? Why did it have to wait for a completely godless Jew?

In general people experience their present naively, as it were, without being able to form an estimate of its contents; they have first to put themselves at a distance from it - the present, that is to say, must have become the past - before it can yield points of vantage from which to judge the future.