Philosophy wasn’t just for a small wealthy class, though there were schools where one could study Plato, Aristotle, and the various writers who had developed the great systems that flowed from their writings. The questions that drove philosophical inquiry were everybody’s questions. What made a city “just” or a human “wise” or “virtuous”? What constituted a good argument or an effective speech? What was the world made of and how did it happen? What was the purpose of life, and how could you know? These questions and the various standard answers were just as likely to be voiced at the barber’s
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