We may have heard of Socrates, Plato, Descartes and Nietzsche, but what did they believe? What were their famous aphorisms? This Book Will Make You Think: Philosophical Quotes and What They Mean explains as simply as possible the ideas behind the world's most highly regarded philosophers, examining their beliefs and presenting choice quotes that succinctly distil their most famous theories. Written in an accessible and informative style, this book will help readers get to grips with the complex concepts of philosophy through the ages, and help match the theories to the names.