Literature Reference: 'Yun' means trustworthiness; 'Li' means propriety. Source from 'Shuowen Jiezi'.
允: Promise, to permit. It metaphorically signifies honesty and trustworthiness, ensuring that every commitment is fulfilled.
礼: Politeness, etiquette, and understanding of decorum. When used in personal names, it often conveys the meaning of courtesy, which is conducive to receiving assistance from noble benefactors.
Meaning: Trustworthiness and propriety, symbolizing integrity and humility.