Literature Reference: 毅，强而能断也；勇，气也。——《说文解字》 'Yi' means strong and decisive; 'Yong' means courage. Source from 'Shuowen Jiezi'.
毅: Perseverance and tenacity. In a name, it often signifies steadfastness, which is beneficial for career advancement.
勇:
Brave, fierce. Often used in male names, embodying the qualities of responsibility, courage, and a commanding masculine presence.
Meaning: Resolute and courageous, fearless in the face of challenges.