The student has clearly stated the title of the essay, ensuring it is apparent throughout the submission. The focus on the title is sustained, with no digressions or irrelevant information, as the student effectively links the concept of doubt to different Areas of Knowledge, specifically the Natural Sciences and History. Real-life examples are convincingly used to support arguments, demonstrating how doubt can both drive progress and hinder it. The student evaluates different perspectives on doubt, showing awareness of its implications and counterpoints, while maintaining a critical and argumentative approach throughout a well-organized essay. Additionally, all external sources are acknowledged and referenced appropriately, reflecting academic integrity.