Self-righteous, Lao Tzu is the best in the world, and "imperial envoys" are flying all over the sky.

This is a sentence from Mao Zedong's Change Our Style.

Officials sent by the emperor himself to deal with important affairs are called imperial envoys.

Mao Zedong said this from the heart, because when he was called "Member Mao", he was repeatedly cut off by "members" sent by the central authorities who didn't understand the specific local conditions, and even was expelled from the Party once. It can be said that what he hates most is this kind of "Commissioner" who only knows to obey orders and does not know how to be flexible in practice.

Imperial envoys refer to these "special commissioners" to a great extent.