Literature Reference: 方祗护山迹，先正陪岩腹。—— 《仲秋朝拜昭陵》 Guarding the mountain traces with reverence, the ancient sages accompany the rocky depths. Source from 'Zhong Qiu Chao Bai Zhaoling'.
先: Formerly. Previously. Originally. Pioneer. What comes before in time or sequence, in contrast to "later."
正: Upright and pure. In names, it often conveys the meaning of handling affairs with justice and fairness, which is conducive to receiving support from noble benefactors.
Meaning: The term 'Xian Zheng' refers to ancient sages, symbolizing wisdom and moral exemplars.