The price we pay for our advance in civilization is a loss of happiness through the heightening of the sense of guilt.

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

Our fascination with gold is related to the fantasies of early childhood.

Knowledge is the intellectual manipulation of carefully verified observations.

One might compare the relation of the ego to the id with that between a rider and his horse. The horse provides the locomotor energy, and the rider has the prerogative of determining the goal and of guiding the movements of his powerful mount towards it. But all too often in the relations between the ego and the id we find a picture of the less ideal situation in which the rider is obliged to guide his horse in the direction in which it itself wants to go.

Instinct of love toward an object demands a mastery to obtain it, and if a person feels they can't control the object or feel threatened by it, they act negatively toward it.

But the repressed merges into the id as well, and is merely a part of it. The repressed is only cut off sharply from the ego by the resistances of repression; it can communicate with the ego through the id.