Apart from Confucius, Lao Tzu is the most eminent figure in Chinese antiquity. The book attributed to him, the Tao Te Ching, is the classic statement of the system of thought known as Taoism. Much of the doctrine of the Tao Te Ching was later clarified and modified by the greatest of the Taoist philosophers and writers, Chuang Tzu, whose chief work bears his name. The major ideas contained in these two early texts form the...