anyasya sarvajñasyāsattve viniścite satyevaṃ vaktuṃ yuktaṃ nānyathā, avadhāraṇasya naiṣphalyāt
Only if the non-existence of the other [means], namely the omniscient one, were established with certainty would it be reasonable to speak thus, not otherwise, because [otherwise] the restriction would be futile.