The document discusses the theme of harming innocent beings from the novel To Kill a Mockingbird. It provides examples of innocent characters like Boo Radley, Tom Robinson, and Jem and Scout Finch who are harmed by others in the story. It explores how people lose their innocence as they experience life and can end up harming the innocent, represented by mockingbirds that do nothing but sing. The innocent are overtaken by the sinful as people get lost and no longer understand the meaning of innocence.