It was his optimism that Freud bequeathed to America and it was the optimism of our youthfulness, our freedom from the sterner, sadder tradition of Europe which enabled us to seize his gift.
Karl A. MenningerTo "know thyself" must mean to know the malignancy of one's own instincts and to know, as well, one's power to deflect it.
Karl A. MenningerWe have come to see that just as the child must learn to love wisely, so he must learn to hate expeditiously, to turn destructive tendencies away from himself toward enemies that actually threaten him rather than toward the friendly and the defenseless, the more usual victims of destructive energy.
Karl A. Menninger