In this summation of a lifetime thinking and writing about these great questions, A. C. Grayling explores with clarity and depth the ideas that each of us must use in answering it for ourselves. Drawing on the lives, experiences and works of a fantastically eclectic range of thinkers - taking in not only philosophers such as Confucius, Seneca and Nietzsche, but also authors from Shakespeare to Ursula LeGuin,this book brings together wisdom from around the world. An answer to the big question: how should I live my life.