Excerpts, some scholars, no Ding Bai, and comments.
These two poems are from the humble inscriptions. It means that all the people talking and laughing here are learned people, and no ignorant people come and go.
Hongru: A great scholar means a learned person. Hong: As big as Hong. Confucianism used to refer to scholars.
Ding Bai: Civilians. This refers to people with little knowledge.