Karl A. Menninger Quotes
To "know thyself" must mean to know the malignancy of one's own instincts and to know, as well, one's power to deflect it.
Citations
Menninger, Karl. Man Against Himself. Harcourt, Brace and Company, 1938.
Related Quotes
Karl Augustus Menninger was an American psychiatrist and a member of the Menninger family of psychiatrists who founded the Menninger Foundation and the Menninger Clinic in Topeka, Kansas.