So to Han authority is important because it rests on the symbolic aura of the ruler.
That symbolic aura itself is grounded in the power base that he creates. To Han, Fa (standards) maintains the ruler’s power.
Han Fei had been working for the king of the Han state. But Qin Shihuang, the first emperor, who had initially been a rival king, ultimately accepted and implemented Han Fei’s ideas about political power.