This could be one of the best ever demonstrations of the value and utility of philosophy. Richly insightful, beautifully written, it is at once introduction, exploration, and application, revealing the fascination and significance of philosophical ideas and their relevance to life. Like the Plato who figures largely here, Goldstein has both literary and philosophical gifts of the highest order: the combination is superb. A.C. Grayling author of The God Argument