In this article, Sabine Wilms explains some of the ideas of Sun Simiao, “King of Medicines”, a master of Chinese Medicine who lived around 600 AD. Besides his contributions to herbal medicines, and acupuncture methods, he discussed the theory of Chinese Medicine, and developed theories of the correspondances between the micro and macro cosms, betwen human and environment, especially in realtion to the 5 phases, i-jing, and the bagua.
The linked short article discusses a few of Sun Simiao’s ideas about longevity, and cultivation of life in Chinese Medicine.
A further discussion more focused on the history and works of Sun Simiao can be found here: http://www.itmonline.org/arts/sunsimiao.htm