That which we can't remember, we will repeat.

The first requisite of civilization, therefore, is that of justice — that is, the assurance that a law once made will not be broken in favour of an individual. This implies nothing as to the ethical value of such a law.

Men are strong so long as they represent a strong idea they become powerless when they oppose it.

The impression forces itself upon one that men measure by false standards, that everyone seeks power, success, riches for himself, and admires others who attain them, while undervaluing the truly precious thing in life.

The primitive stages can always be re-established; the primitive mind is, in the fullest meaning of the word, imperishable.

What is characteristic of illusions is that they are derived from human wishes.

What is common in all these dreams is obvious. They completely satisfy wishes excited during the day which remain unrealized. They are simply and undisguisedly realizations of wishes.