The complete min-cut of the flow network induced from the finite state machine of a discrete event dynamical system is introduced so that the solution of the optimal supervisory control problem also includes the marked language.

This paper tells different meanings of "boundary of language" in the contemporary western philosophy, then analyzes the fact of how Heidegger and Confucius change their opinions from "indescribability" to "poetic description" , of which "nothing" is significant to Heidegger as "affective image" to Confucius, and finally the comp.