Literature Reference: 用将济诸人，舍得业孔颜。——《读皇甫湜公安园池诗书其后二首 二》韩愈 To benefit all people, one should be willing to dedicate oneself to the virtues of Kong and Yan. Source from 'Reading Huangfu Shi's Poem on the Public Garden Pond, with Two Additional Poems' by Han Yu.
孔: The names of the ancients were imbued with the essence of Confucian thought and sentiment. Kong, Confucius.
颜: Visage, countenance.
Meaning: Kong and Yan symbolize the virtues and wisdom of Confucian sages, representing the highest moral and intellectual ideals.