About “Wuzhen pian”
The Wuzhen pian is a 1075 Daoist text on internal alchemy, specifically Neidan. It was written by Zhang Boduan, a scholar from the Song dynasty who was familiar with the Three teachings. The text focuses on the practices and theories of internal alchemy within the Taoist tradition. Zhang Boduan is known for his contributions to Daoist philosophy and spiritual practices during his time. The Wuzhen pian remains an important work in the study of Daoist internal alchemy. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
Some summaries adapted from Wikipedia, CC BY-SA 4.0.