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The difference between Plato’s theory on the one hand, and that of the Old Oligarch and the Thirty on the other, is due to the influence of the Great Generation. Individualism, equalitarianism, faith in reason and love of freedom were new, powerful, and, from the point of view of the enemies of the open society, dangerous sentiments that had to be fought. Plato had himself felt their influence, and, within himself, he had fought them. His answer to the Great Generation was a truly great effort. It was an effort to close the door which had been opened, and to arrest society by casting upon it the spell of an alluring philosophy, unequalled in depth and richness. In the political field he added but little to the old oligarchic programme against which Pericles had once argued64. But he discovered, perhaps unconsciously, the great secret of the revolt against freedom, formulated in our own day by Pareto65; ‘To take advantage of sentiments, not wasting one’s energies in futile efforts to destroy them.’ Instead of showing his hostility to reason, he charmed all intellectuals with his brilliance, flattering and thrilling them by his demand that the learned should rule. Although arguing against justice he convinced all righteous men that he was its advocate. Not even to himself did he fully admit that he was combating the freedom of thought for which Socrates had died; and by making Socrates his champion he persuaded all others that he was fighting for it. Plato thus became, unconsciously, the pioneer of the many propagandists who, often in good faith, developed the technique of appealing to moral, humanitarian sentiments, for anti-humanitarian, immoral purposes. And he achieved the somewhat surprising effect of convincing even great humanitarians of the immorality and selfishness of their creed66. I do not doubt that he succeeded in persuading himself. He transfigured his hatred of individual initiative, and his wish to arrest all change, into a love of justice and temperance, of a heavenly state in which everybody is satisfied and happy and in which the crudity of money-grabbing67 is replaced by laws of generosity and friendship. This dream of unity and beauty and perfection, this æstheticism and holism and collectivism, is the product as well as the symptom of the lost group spirit of tribalism68.
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