Persecution may be so pleasant to the persecutor that he would find a world without heretics intolerably dull. Similarly Hitler and Mussolini, since they teach that war is the noblest of human activities, could not be happy if they had conquered the world and had no enemies left to fight. In like manner, party politics become uninteresting as soon as one party has unquestionable supremacy.
Source: Power, 1938.
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