The science of the mind can only have for its proper goal the understanding of human nature by every human being, and through its use, brings peace to every human soul.

Violence as a way of gaining power... is being camouflaged under the guise of tradition, national honor [and] national security.

If you wish to educate a child who has gone wrong, then you must, above all, keep your attention fixed on the intersection of two charmed circles.

No experience is a cause of success or failure. We do not suffer from the shock of our experiences, so-called trauma - but we make out of them just what suits our purposes.

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.

I am grateful for the idea that has used me.

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.