Literature Reference: 允矣君子，展也大成。—— 《诗经·小雅·车舝》 Truly, the noble man, his achievements are great. Source from 'The Book of Songs'.
允: Promise, to permit. It metaphorically signifies honesty and trustworthiness, ensuring that every commitment is fulfilled.
兮: Classical Chinese particle.
Meaning: Honest and trustworthy, symbolizing noble character and consistency in words and deeds.