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 Le 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 meaning of the passages. Told with clarity and depth, these seminal Taoist teachings offer guidance on leading a balanced healthy life.