Summary
This quote suggests that people who have only a superficial understanding or limited knowledge about a subject tend to be the most assertive in expressing their opinions on it. It implies that those who possess a shallow grasp on a particular topic may feel more confident in sharing their ideas without fully understanding the complexities and nuances involved. In contrast, individuals who have a deeper understanding and expertise may be more humble and cautious in expressing their opinions, recognizing the limitations of their knowledge and the need for further exploration.