Diligence was one of the common qualities in novels. It allowed the readers to feel that the protagonist had finally achieved his goal through tireless efforts. Diligence not only helps people achieve success in life, but also plays an important role in novels. In a novel, diligence could be expressed as the protagonist persistently pursuing his own goal and not giving up easily even in the face of difficulties. Through constant hard work and struggle, the protagonist can finally realize his dream and become a winner in life. Diligence in writing could also be expressed in the protagonist's love and dedication to writing. Through continuous hard work and practice, the protagonist can finally write excellent works to win the love and support of readers. Diligence was one of the common qualities in novels and an important element in writing. It could make the readers feel that the protagonist had finally achieved his goal through tireless efforts, and it could also provide enlightenment and encouragement to people. Whether it was in life or writing, diligence was one of the most important factors for success.