成唯識論了義燈 7.203

7.203

又異生性，西明不定性人得聖已去，亦聖亦凡，又解唯聖。《要集》斷云：「後解為勝。」今謂：前勝，同本疏故，於初地中獲聖性故。

Furthermore, regarding pṛthagjanahood, Ximing says that after a person of indeterminate lineage attains sagehood, they are both noble and ordinary; another explanation is that they are purely noble. The Yaoji judges: "The latter explanation is superior." I now say: The former is superior, because it accords with the original commentary, and because one obtains the noble nature in the first ground.