yasmāt sarvo vikalpaḥ śabdollekhena pravṛtter nāmānuṣaktaḥ / sa ca nāmānuṣaṅgo vikalpasya saṅketābhyāsamantareṇa na sambhavatīti pūrvaṃ vistareṇa pratipāditam asmābhiḥ //
Since all conceptual cognition proceeds through verbal expression, it is connected with names. And this connection with names is not possible for conceptual cognition without repeated convention, as has been explained by us in detail earlier.