Xu Zhen claims that the etymology of these entities comes from ";mouth"; and ";dark"; since objects cannot be seen in darkness. In Shiji juan, Sima Tan states that a group named for these entities engaged in a Sophist-like type of public debates known as ";discrimination"; or";distinction-drawing."; Xunzi claimed that the regulation of these entities by sage kings would allow the separation of ";noble"; from ";base"; and ";same"; from ";different."; Xu Gan and Gongsun Long wrote about the relationship between these things and actualities. These constructs provide the name of one of the ";Hundred Schools of Thought"; associated with the Mohists. The belief that disorder stemmed from the failure to use these things properly was the basis of the Confucian doctrine of 
Xu Zhen claims that the etymology of these entities comes from ";mouth"; and ";dark"; since objects cannot be seen in darkness. In Shiji juan, Sima Tan states that a group named for these entities engaged in a Sophist-like type of public debates known as ";discrimination"; or";distinction-drawing."; Xunzi claimed that the regulation of these entities by sage kings would allow the separation of ";noble"; from ";base"; and ";same"; from ";different."; Xu Gan and Gongsun Long wrote about the relationship between these things and actualities. These constructs provide the name of one of the ";Hundred Schools of Thought"; associated with the Mohists. The belief that disorder stemmed from the failure to use these things properly was the basis of the Confucian doctrine of the ";rectification"; of them. For 10 points, name these words central to Chinese philosophy, which are designations for people, places and things.
Xu Zhen claims that the etymology of these entities comes from ";mouth"; and ";dark"; since objects cannot be seen in darkness.