Leibniz, the Discoverer of the

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…satirized as a utopia by the French author Voltaire in his novel Candide (1759). Important philosophical works by Leibniz include Essays in Theodicy on the Goodness of God, the Liberty of Man, and the Origin of Evil (2 volumes, 1710; translated in Philosophical Works,1890), Monadology (1714; published in Latin as Principia Philosophiae,1721; translated 1890), and New Essays Concerning Human Understanding (1703; published 1765; translated 1916). The latter two greatly influenced German philosophers of the 18th century, including Christian von Wolff and Immanuel Kant.