瑜伽論記 15.495

15.495

先亦約俗智以破彼計。若除無漏明外凡夫所有三性智慧又是邪智。則無善惡無記性異，皆邪智故，故不應理。

First, it also refutes their position in terms of conventional knowledge. If, apart from taintless brightness, all wisdom of the three natures possessed by ordinary beings were also wrong knowledge, then there would be no distinction between wholesome, unwholesome, and indeterminate natures, because all would be wrong knowledge; therefore it is unreasonable.