The different religions have never overlooked the part played by the sense of guilt in civilization. What is more, they come forward with a claim...to save mankind from this sense of guilt, which they call sin.

Dreams are often most profound when they seem the most crazy.

The inclination to aggression constitutes the greatest impediment to civilization.

Innately, children seem to have little true realistic anxiety. They will run along the brink of water, climb on the window sill, play with sharp objects and with fire, in short, do everything that is bound to damage them and to worry those in charge of them, that is wholly the result of education; for they cannot be allowed to make the instructive experiences themselves.

The liberty of the individual is no gift of civilization. It was greatest before there was any civilization.

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?

There is no doubt that the resistance of the conscious and unconscious ego operates under the sway of the pleasure principle: it seeks to avoid the unpleasure which would be produced by the liberation of the repressed.