The dictator is not only a sick man, he is also a cruel opportunist. He sees no value in any other person and feels no gratitude for any help he may have received. He is suspicious and dishonest and believes that his personal ends justify any means he may use to achieve them. Peculiarly enough, every tyrant still searches for some self-justification. Without such a soothing device for his own conscience, he cannot live. His attitude toward other people is manipulative; to him, they are merely tools for the advancement of his own interests. He rejects the conception of doubt, of internal contradictions, or man's inborn ambivalence. He denies the psychological fact that man grows to maturity through groping, through trial and error, through the interplay of contrasting feelings. Because he will not permit himself to grope, to learn through trial and error, the dictator can never become a mature person. … It is because the dictator is afraid, albeit unconsciously, of his own internal contradictions, that he is afraid of the same internal contradictions of his fellow man. He must purge and purge, terrorize and terrorize in order to still his own raging inner drives. He must kill every doubter, destroy every person who makes a mistake, imprison everyone who cannot be proved to be utterly single-minded.