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

It is a predisposition of human nature to consider an unpleasant idea untrue, and then it is easy to find arguments against it.

The psychoanalysis of individual human beings, however, teaches us with quite special insistence that the god of each of them is formed in the likeness of his father, that his personal relation to God depends on his relation to his father in the flesh and oscillates and changes along with that relation, and that at bottom God is nothing other than an exalted father.

Demons do not exist any more than gods do, being only the products of the psychic activity of man.

The act of birth is the first experience of anxiety, and thus the source and prototype of the affect of anxiety.

One must learn to give up momentary, uncertain and destructive pleasure for delayed, restrained, but dependable pleasure.

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.