kutaścāyaṃ niścayo jātaḥ pareṇa tat pramāṇamabhyupagatam iti, nahi parābhyupagamaḥ pratyakṣaḥ, na cānyat tava pramāṇam asti, yena niścayaḥ syāt /
And whence has this certainty arisen that [your] opponent has accepted that as a means of knowledge? For another's acceptance is not perceptible, and you have no other means of knowledge by which [such] certainty could arise.