Literature Reference: 职重油幢推上略，荣兼革履见深恩。—— 《太原郑尚书远寄新诗走笔酬赠因代书贺》 In heavy duties, the oil banner pushes forward grand strategies; in honor, the leather shoes witness profound grace. Source from 'Taiyuan Zheng Shangshu Yuan Ji Xin Shi Zou Bi Chou Zeng Yin Dai Shu He'.
深: Profound and enlightened, symbolizing depth of understanding and intelligent wisdom.
恩: Gratitude and reciprocation embody the spirit of kindness and the expression of compassion.
Meaning: Deep grace signifies profound gratitude and a heart full of appreciation for the kindness received.