nanu ca nityasarvagatatvena sarvān puruṣān pratyaviśiṣṭatvācchabdasya kathaṃ grahaṇāgrahaṇe syātām ity āha yathaivetyādi /
[One objects:] "Since sound is eternal and all-pervading, and thus equal with respect to all persons, how can there be both perception and non-perception [of it]?" [The response] begins with "Just as..."