This Chapter from a Daoist text, "Chapter 9 Internal Observation and Exchange," detailing practices for spiritual cultivation. It describes achieving union of heart and Qi through internal observation, employing metaphors to illustrate the formless Dao. The text outlines a specific meditative practice involving visualization and techniques to overcome obstacles, emphasizing the importance of detachment from visions and the pursuit of transcendence beyond physical limitations to achieve true immortality. Ultimately, it stresses simplification and transcendence of methods as the path to ultimate truth.