Literature Reference: Hold fullness and guard against excess, with sharp determination to forge ahead. Source from 'Book of Han: Jia Yi's Biography'.
持: To preside and govern; depicting a person who handles affairs with fairness and impartiality.
锐: Possessing unwavering determination and decisive boldness in action, such qualities will profoundly and favorably shape one's future trajectory.
Meaning: Maintaining sharpness and unwavering determination to pursue goals.