That sounds a great deal like Plato, and Plato was always the central figure in Plotinus’s cosmic vision. But Plotinus had also read his Aristotle, and by putting the two together in a thoroughly original way, he transcended the traditional limits of ancient thought. It was a major breakthrough. From the last days of the Roman Empire through the Middle Ages and the Renaissance, Plotinus’s “Neoplatonism” offered a new dimension for the European intellect to explore, and a new challenge: how to make the rational soul one with the Absolute.