Sigmund Freud – The poor ego serves three master Share this quote: The poor Ego.. . serves three severe masters and does what it can to bring their claims and demands into harmony with one another. . . Its three tyrannical masters are the external world, the super-ego, and the Id. – Sigmund Freud (1856-1939) Is this quotation insightful, though-provoking, useful? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0