The document provides information about writing thesis statements. It states that a thesis should include a topic and main idea or angle about the topic. It then lists characteristics of successful theses, such as expressing one main idea that controls the evidence and argument, encouraging discussion, and being supported by relevant evidence. The document emphasizes that a thesis should present a specific viewpoint, not just a fact. It provides an example of a weak fact-based thesis and encourages the reader to write a concise, specific, and authoritative thesis statement for their essay that can be proven with logical evidence.