Literature Reference: 君子以文会友，以友辅仁。—— 《论语·颜渊》 A gentleman makes friends through literature and cultivates benevolence through friendship. Source from 'The Analects of Confucius, Yan Yuan'.
于: Thus, it is.
谊: Friendship, camaraderie, fellowship, and affection. This person is trustworthy and reliable in their endeavors, gentle and talented, virtuous and thrifty, prosperous in both wealth and officialdom, fostering harmonious interpersonal development.
Meaning: Yu Yi signifies profound friendship and benevolence, symbolizing harmony and mutual support among people.