Let us, then, leave the sciences and arts to assuage, in some degree, the ferocity of the men they have corrupted.

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The enlightenment of the wicked is at any rate less to be feared than his brutal stupidity." Rousseau here showed the characteristic which invariably distinguished him from the philosophers, and which ended by establishing deep enmity between them and him.

The eighteenth century espied certain evils, certain sores in the social and political condition, believed in a cure, and blindly relied on the power of its own theories.