Literature Reference: 霖雨思贤佐，丹诚忆旧臣。—— 《奉和圣制赐崔日知往潞州应制》 The rain reminds me of virtuous aides, and my sincere heart recalls old ministers. Source from 'Fenghe Shengci Cui Rizhi Wang Luzhou Yingzhi'.
雨: The life-giving rain that nourishes all things.
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: Rain symbolizes nurturing all things, while 'Cheng' represents sincerity and honesty, signifying a heart that nourishes others like rain.