aprāmāṇyanivṛttyarthā vedasyāpauruṣeyatā / yeṣṭā sāpica vastutvāt sādhanīyaiva sādhanaiḥ //
If the non-human origin of the Veda is insisted upon for the purpose of eliminating [its] unreliability, then that [claim] too, being a positive entity, must necessarily be established through [proper] means of proof.