We choose not randomly each other. We meet only those who already exists in our subconscious.

The genitals themselves have not undergone the development of the rest of the human form in the direction of beauty.

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.

It would be very nice if there were a God who created the world and was a benevolent providence, and if there were a moral order in the universe and an after-life; but it is a very striking fact that all this is exactly as we are bound to wish it to be.

It is a mistake to believe that science consists in nothing but conclusively proved propositions, and it is unjust to demand that it should. It is a demand made by those who feel a craving for authority in some form to replace the religious catechism by something else, even a scientific one.

We choose not randomly each other. We meet only those who already exists in our subconscious.

The psychic development of the individual is a short repetition of the course of development of the race.