History of Taoism These Zhenren spoke of an apocalypse which was to arrive in 384, and claimed that only certain people from this aristocratic circle had been chosen to be saved. For the first century of its existence, Shangqing Taoism was isolated to this aristocratic circle. However, Tao Hongjing (456–536) codified and wrote commentaries on Yang Xi's writings and allowed for the creation of Shangqing Taoism as a popular religion. The Lingbao scriptures added some Buddhist elements such as an emphasis on universal salvation. Also during the Six Dynasties period, the Celestial Master movement re-emerged in two distinct forms. The Northern Celestial Masters
Yin and yang with fire, sky, the sun, masculinity and daytime. The yin-yang symbol, having no "officially standardized" rendition, has been the basis of much artistic variation, most of it "frivolous" (that is, "merely" artistic, with no philosophical/mystical meaning, e.g., tattoos). Yin and yang also applies to the human body. In traditional Chinese medicine good health is directly related to the balance between yin and yang qualities within oneself. If yin and yang become unbalanced, one of the qualities is considered deficient or has vacuity. In the "I Ching", originally a divination manual of the Western Zhou period (c. 1000–750 BC), yin and