Considered by many Taoists and non-Taoists alike to be an essential guide to living, Lao Tzu's Treatise on the Response of the Tao was written by the twelfth-century sage Li Ying-chang. Presenting foundational teachings and practices of the Action and Karma school of Taoism, it is replete with folk 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.