What are the characteristics of a well-off society described in this passage in Hidden Avenue?

This passage is from the Book of Rites.

The well-off society described in this paper is relative to the Datong society, that is, the avenue is hidden, and its characteristics are as follows:

1. People are selfish, but they can be improved through the system. The first characteristic of a well-off society is harmony under the system, not pure moral harmony.

2. Adopt the model of sage politics to guide the people.