It expounds three series of relations which are important for the understanding of the thoughts of Chinese sages of the past: 1) the relation between the wisdom of life and the knowledge of experience; 2) the relation between the expressible character of thought and the inexpressible character of thought; 3) the relation between the personal practice and the realm of spirit.

Such "Taoism" to create "something" out of "nothing" exactly suggests the mysterious idea, which also specifically embodies the non-speakable nature of Laozi s Taoism to create human beings.