How did the universe begin? What is truth? How can we live good lives? Throughout history, humankind has asked these and other big questions about the nature of life and existence - and big thinkers have offered solutions that continue to shape our world. Written in plain English, The Philosophy Book is packed with short, pithy explanations that cut through the jargon, step-by-step diagrams that untangle knotty theories, classic quotes that make philosophy memorable, and witty illustrations that play with our ideas about ideas. Whether you're a complete beginner, an avid student, or an armchair expert, you'll find plenty of food for thought in this book.