 Our only detailed information about Hui Shi’s doctrines comes from two sources: the seven statements attributed jointly to him and  Deng Xi  in the Xunzi (3.1), which we looked at briefly above, and the “Under Heaven” essay, which attributes ten theses to him, some paradoxical. “Under Heaven” was probably written long after Hui Shi’s death, and only one of its ten theses appears in the much earlier Xunzi list. Hence we cannot be sure the ten theses were indeed Hui Shi’s; some or all may have been the work of anonymous followers who adopted him as their figurehead. Fortunately, this historical issue is irrelevant to their philosophical interest. Either way, the theses are intriguing ideas formulated by one or more Chinese thinkers probably sometime during the late 4th or the 3rd century B.C.E. The arguments for the theses have been lost, and as a result some are extremely obscure. But others are reasonably clear or at least open to educated conjecture. 