Philosophers didn't always busy themselves with life's big questions. The earliest ancient philosophers were primarily concerned with the world of nature, including phenomena such as earthquakes and eclipses. But one enigmatic Greek named Socrates began to explore abstract ideas about human existence. What makes us happy? What is the nature of the soul? And what is our purpose in this universe? Professor William Prior elegantly guides readers through philosophy's formative years and key ancient texts. Organised into four themes - nature, reality, the soul and ethics - Ancient Philosophy: A Beginner's Guide is a lively introduction to the great thinkers who still send our minds reeling today.