A lie would have no sense unless the truth were felt as dangerous.

seeing with the eyes of another, listening with the ears of another, and feeling with the heart of another.

The truth is often a terrible weapon of aggression. It is possible to lie, and even to murder, with the truth.

All failures - neurotics, psychotics, criminals, drunkards, problem children, suicides, perverts, and prostitutes - are failures because they are lacking in social interest

It is one of the most effective attitudes of the neurotic to measure thumbs down, so to speak, a real person by an ideal, since in doing so he can depreciate him as much as he wishes.

Each generation has its few great mathematicians, and mathematics would not even notice the absence of the others. They are useful as teachers, and their research harms no one, but it is of no importance at all. A mathematician is great or he is nothing.

In the investigation of a neurotic style of life, we must always suspect an opponent, and note who suffers most because of the patient's condition. Usually this is a member of the family.