Taoists and non-Taoists alike consider "Lao-Tzu's Treatise on the Response of the Tao", written by the 12th-century sage Li Ying-Chang, an essential guide to living. Presenting foundational teaching and practices of the Action and Karma school of Taoism, it is replete with stories illustrating the teachings and an introductory essay that discusses the more esoteric meanings of the passages. Told with clarity and depth, these seminal Taoist teachings offer guidance on leading a balanced, healthy life.