The great Enlightened Master and philosopher Chuang Tzu lived from approximately 370 to 301 BC. He is considered one of the greatest literary and philosophical figures of China. His philosophy is contained in the book bearing his name, Chuang Tzu. His teaching true to wu-wei, the Taoist doctrine which means to refrain from action contrary to Nature. He espoused a way of life which is simple and natural, yet fulfilling. He advocated for a flexible and pragmatic approach to understanding concepts.