Source: Tang Wang Bo's Preface to Wang Tengting: "Outstanding people, Xu Ru is on the couch in Chen Fan."

Officials preached to the people.

Description: Declare kindness and accept moral education. Refers to an official who is instructed by the monarch to educate the people.

Source: The language "Han Shu Dong Zhongshu Biography": "Today's county magistrate, county magistrate, Shi Shuai of the people, make it carry forward; Therefore, if Shi Shuai is not virtuous, then the main virtue will not be declared, and the grace will not flow. "