Voltaire on Locke: The Soul as a Blank Slate
In a dimly lit London study sometime in the 1720s, a young French exile bent over the works of an English philosopher who had died just decades earlier. François-Marie Arouet — better known as Voltaire — discovered in the writings of John Locke a revolutionary idea: the human mind is born a blank slate. No innate ideas, no predetermined truths, only the pure possibility of growth through experience. This discovery would change Voltaire forever, and it forms the heart of his third philosophical letter. The Context of Voltaire’s Exile When Voltaire lived in England between 1726 and 1728, he was fleeing not only the Bastille but also the suffocating intellectual climate of Louis XV’s France. In England, he encountered a society where freethinkers could debate openly, where Isaac Newton’s science was celebrated, and where John Locke’s philosophy was considered common knowledge. He later gathered these experiences into his Philosophical Letters, a collection of essays that introduced English thought to the French public. The third letter, devoted to Locke, stands out because Voltaire does more than simply report on scientific discoveries. He poses a fundamental question about human nature itself: Who are we, and how do we arrive at our knowledge? […]