The good and the evil in man are such long-associated partners that co-operation of the good alone between men is impossible. At some point of their contact, in some way, the reptilian evil will creep in and make its unpleasant discordant presence felt. Hence universal brotherhood is only a beautiful dream, to be shattered upon awakening to the ugly facts.
-- Notebooks Category 11: The Negatives > Chapter 3: Their Presence in The World > # 50
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