What is the central idea for paragraph 7 in a genetics of justice

Having portraits of the leader shown publicaly and even inside people's houses was a tool used by many dictators.  

These porttraits tried to evoke admiration and loyalty, and for that the image of the dictator had to be that of one of a young, beauftigul and strong man. Since the common people had never really seen the leader, the portraits they were given were retouched without them knowing.

Alvarez contrasts her mother's insistence of silence with her own desire to tell stories.

in the quotation from passage, connie willis states that literature is a way for authors from the past to communicate with readers of today. we can read their stories, books, and other texts to learn lessons about life. willis refers to these lessons as messages “from beyond the grave.” willis has a favorable viewpoint about the timelessness of literature.