成唯識論述記 3.622

3.622

述曰：第三外人反云，論主遭難不能出理，而行返質，豈斥他過，己義便成。下第四答。

The Commentary states: Third, the opponent objects in return: the author of the Treatise, upon encountering difficulty, cannot produce reasoning and instead engages in a counter-question; how can pointing out another's fault establish one's own doctrine? Below is the fourth: the answer.