Nature delights in making use of the same forms in the most various biological connections: as it does, for instance, in the appearance of branch-like structures both in coral and in plants, and indeed in some forms of crystal and in certain chemical precipitates.

Being entirely honest with oneself is a good exercise.

Adolescent stage in the development of the human race from which humanity should free itself.

My psychoanalysis has equipped you with the equivalent of a train ticket to recovery. It is now your decision whether or not you choose to make full use of it.

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?

Every man has a right over his own life and war destroys lives that were full of promise; it forces the individual into situations that shame his manhood, obliging him to murder fellow men, against his will.

We know that the great majority of people have a strong need for authority which it can admire, to which it can submit, and which dominates and sometimes even ill-treats it.