Your thesis needs to answer the following question: what is the author arguing about the concept in this work? The thesis statement has to be insightful, well articulated, and significant. Possible brainstorming questions: What does the text reveal about how the author understands the concept? Is the concept used for particular positive or negative purposes? Is the concept influenced by particular social, political, or economic considerations? Are there contradictions in the way the author uses the concept? Does the concept change throughout the work?