In this guide to philosophy, Professor Bryan Magee expertly guides us through the history of ideas and thinking, tracing over 2,500 years of Western philosophy from the Ancient Greeks to modern thinkers. Discover what philosophy is, how philosophers have questioned the fundamental principles underlying all knowledge and existence and address life's big questions, such as "What is being?" and "Can the existence of God be proved?" Covering every major philosopher from Plato to Popper, via Saint Augustine Locke and Nietzsche, explore these great thinkers in their historical context and learn the influences that shaped their lives and work. An essential guide to this fascinating subject.