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 Yin Yang Jia (Yin and Yang School) Needham concludes "There can be very little doubt that the philosophical use of the terms began about the beginning of the -4th century, and that the passages in older texts which mention this use are interpolations made later than that time." In spite of being used in a modern context to justify egalitarianism under the notion of both yin and yang being "necessary", in practise the concept of yin and yang has led to justification for China's patriarchal history. Particularly under Confucianism, yang (as the sun principle) is considered superior to "yin" (the