yadi hi śrotā na kvacid arthe saṃśete tat kimiti parasmād upadeśamapekṣate niścayārthaṃ hi paraṃ pṛcchati, anyathonmattaḥ syāt /
For if the hearer has no doubt about any meaning, then why does he seek instruction from another? For one asks another for the sake of certainty; otherwise one would be insane.