Hui Shi, however, had undermined that simple version of realism with his observation that between any two 物 wùnatural-kinds we can find some similarity and some difference. The world, in effect, gives us many ways of establishing conventional distinctions and assigning names. The Later Mohists had failed to find an adequate account of what similarities would and would not lead to what they called 狂舉 kuāngjǔwild picking out . Zhuangzi’s analogy of language to the noises made by wind had seemed to echo Hui Shi’s normlessness about language. In this later passage, however, he revisits the wind analogy, and retreats, accepting the Mohist insight that language is more than a “natural sound.”