Etienne Condillac (1715-1780) was one of the second generation of philosophes of the French Enlightenment. He was greatly influenced by Voltaire’s portrayal of Locke and Newton and indeed was gripped by the philosophy of Locke as a young man in the early 1740s. By 1746 he had published his Essai sur l’origine des connaissances humaines which, as one might expect from the title, develops a qualified Lockean theory of knowledge. The esteem in which he held Locke is seen in the pages displayed in this English translation of his Essai. Condillac’s main philosophical contribution also represents his major disagreement with
Locke. For the Frenchman believed that there is no knowledge without
language. The priority he gave to the language of action on the
formation of thought in turn impacted upon his compatriot Diderot.
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