What was the main content of the lesson?

The lesson " Poor People " was a short article in the " Three-Body " series. It was about a female scientist named Ye Wenjie who came into contact with the " Three-Body " civilization and launched a project called " Earth Foreign Aid Program " to help a village that was plagued by poverty and disease. Through this project, Ye Wenjie and other scientists provided medical care, education, and other necessary assistance to the village to help them get rid of poverty and disease and build a more prosperous and civilized community. In the story, Ye Wenjie and other scientists were portrayed as idealistic figures who contributed to the progress of human society through their own efforts and professional knowledge. At the same time, this story also revealed many problems and contradictions in human society, including poverty, injustice, and resource distribution.