瑜伽論記 15.503

15.503

四、倒非煩惱失。謂如諸餘煩惱相應受想思等非煩惱性，不可得說由相應故今成煩惱，無明亦爾，不可得說非無明性今成云明。

Fourth, the fault of the inverted not being an affliction. That is, just as feeling, ideation, volition, etc., associated with other afflictions are not of the nature of afflictions, and one cannot say that due to association they now become afflictions; so too with ignorance: one cannot say that what is not of the nature of ignorance now becomes ignorance.