Literature Reference: 处喧虑常澹，作吏心亦隐。——《送萧颖士赴东府得引字》 In the midst of noise, worries are often calm; in the role of an official, the heart remains hidden. Source from 'Seeing Off Xiao Yingshi to the Eastern Mansion'.
澹: Tranquil and serene. A man of purity, a gentleman, beloved by all.
隐: To conceal, to hide, without revealing. It signifies a person's modesty, serenity, and humility.
Meaning: Remaining calm and detached amidst chaos, yet preserving one's true nature.