Literature Reference: 好与陶贞白，松窻写紫文。—— 《谢柳子厚寄叠石砚》 I would like to share with Tao Zhenbai, writing purple texts by the pine window. Source from 'Xie Liu Zihou Ji Die Shi Yan'.
陶: Immersed and enchanted.
贞: Loyalty and steadfastness. Often used in conjunction with unwavering devotion, it signifies remaining true to one's cherished principles with resolute determination.
Meaning: Tao Zhenbai refers to Tao Hongjing, a renowned Taoist in the Southern Dynasties, symbolizing purity, erudition, and transcendence.