The Origins of Love and Hate has long had an underground reputation within psychoanalysis. It is one of the most passionate arguments for a therapeutic practice based on the physician"s love for the deeply deprived patient. It also advocated a view of human nature congruent with the findings of modern biology - a more optimistic vision than that of traditional Freudian psychology. The book is a powerful and early critique of the dual instinct theory of psychoanalysis - Eros and Thantos.