Literature Reference: A noble person considers sincerity and trustworthiness as virtues. Source from 'The Doctrine of the Mean'.
顾: "Care, visitation, and calling upon. When used in a personal name, it signifies familial harmony and mutual support."
允: Promise, to permit. It metaphorically signifies honesty and trustworthiness, ensuring that every commitment is fulfilled.
Meaning: Honesty and trustworthiness reflect noble virtues and a sense of responsibility.