The Later Mohists built a more realistic semantic theory around shi-fei . A society hits on a conventional pattern of selecting things with names. Given that convention, our application of shi-fei with that word is thereafter guided by the world, i.e., by the actual distribution of similarity and difference in the structure of things. Knowing shi-fei was knowing specifically what to do here and now. He relied on an optimistic theory of moral psychology to replace fa .
Humans have an action-guiding intuition that fits the moral structure of reality.
It required proper nurturing, but fully matured, it directly guided concrete shi and fei action choices. Sage-like action, thus, requires no intermediate discourse Dao . If so, then we need no guidance from texts. The first was a kind of natural compassion. Presumably, 'wisdom' here denotes the ability to do the right thing.