Aristotle Quotes | Watch the Video

Alexander the Great (356 - 323 BC), later King of Macedon and conqueror of a vast empire stretching from the Balkans to India, listens studiously to his tutor, the philosopher Aristotle (384 - 322 BC), while they sit in a palace in ancient Pella, Greece, circa 342 BC. (Image by Stock Montage/Getty Images)