The ancient sage emperors who ruled the world were the first to teach the divine ways silently. Those who have a family in the world will not spread their ways. It ended with Yu, and then scattered among the people outside the country. They all passed it on orally without writing it down. By the Zhou Dynasty, Lao had written five thousand poems. His words were profoundly ancient, and his purpose was mysterious. He was neither divine nor holy. Who can match it? The imperial bandits and Zhuang Zhou thought it was nothing; Gai Gong and Cao Shen thought it was peaceful, but although it was not justice, they bribed and bribed. There are three misfortunes: the followers of Shen Han are described as cruel and ungrateful, and the name of the punishment is absurd. Kou Qianzhi of the Northern Wei Dynasty tried to collect Taoist scriptures, but found that there were few books, so he mixed the books on prescriptions, techniques, talismans, chisels, medicine divination, and weft knowledge into one and two books.
