From Socrates' fascinating discussions of morality and virtue to Pythagoras' attempts to understand the arrangement of the cosmos, the thinkers of the ancient world provided us with an astonishing array of ideas that has helped to shape the modern world.Ranging across Ancient Greek and Roman philosophy from Anaximander to Plotinus, Classical Philosophy in a Nutshell explains important ideas such as Plato's Theory of Forms, Zeno's Paradox, and the Stoicism of Marcus Aurelius.Filled with helpful diagrams and simple summaries of complex theories, this essential introduction brings the great ideas of antiquity to everyone.