Literature Reference: 恺，乐也；诚，信也。—— 《说文解字》 'Kai' means joy; 'Cheng' means sincerity. Source from 'Shuowen Jiezi'.
恺: Happiness, harmony; triumph.
诚: Integrity and Simplicity, embodying honesty. When used in personal names, it often signifies a person's genuine sincerity, trustworthiness, and the commendable quality of keeping one's word without fail.
Meaning: Joyful and sincere, symbolizing inner brightness and honesty.