 Later Mohist writings contain several acute critiques of such a trending pro-silence posture. Deeming all 言 yánlanguage as not-可 kěassertible is not 可 kěassertible. The explanation, later Mohists noted, lies in the asserter’s own use of  言 yánlanguage. Rejecting (fēi-ing) all shì-fēi judgments is fēi (wrong, to be rejected). Similarly self-defeating is “teaching not to teach.” 