Literature Reference: Diligence leads to mastery, while play leads to neglect; success comes from thought, failure from carelessness. Source from 'Jin Xue Jie'.
于: Thus, it is.
勤: Diligence and industriousness. In a name, it often signifies striving for improvement, which is beneficial for career advancement and flourishing prosperity.
Meaning: Through diligence and perseverance, one achieves success, emphasizing the importance of hard work.