Literature Reference: 五更疏欲断，一树碧无情。—— 《蝉》 作者：李商隐 At the fifth watch, the sparse cries nearly cease; on a tree, the green remains indifferent. Source from 'Cicada' by Li Shangyin.
碧:
The character "碧" originally referred to emerald-green jade, and later extended to signify the color emerald green. In names, it often conveys a sense of vitality and vibrancy.
无: No, it's clean, won't happen.
Meaning: The green remains indifferent, symbolizing detachment from worldly concerns and a serene state of mind.