 Early texts regularly associate the disputers with four themes. “The same and different” (tong yi) and “hard and white” (jian bai) are mentioned almost invariably. “Deeming so the not-so, admissible the inadmissible” (ran bu ran, ke bu ke) and “the dimensionless” (wu hou) appear slightly less often. A good example is this excerpt from “Autumn Waters,” Book 17 of the Daoist anthology Zhuangzi, in which Gongsun Long himself is depicted mentioning three of these themes: 