The most ancient and important taboo prohibitions are the two basic laws of totemism: not to kill the totem animal and to avoid sexual intercourse with members of the totem clan of the opposite sex.

Neurotics complain of their illness, but they make the most of it, and when it comes to taking it away from them they will defend it like a lioness her young.

The doctor should be opaque to his patients and, like a mirror, should show them nothing but what is shown to him.

You wanted to kill your father in order to be your father yourself. Now you are your father, but a dead father.

Dreams are constructed from the residue of yesterday.

Desire presses ever forward unsubdued.

Humanity is in the highest degree irrational, so that there is no prospect of influencing it by reasonable arguments. Against prejudice one can do nothing.