upalabhyasvabhāvānāṃ tadvyāpāre samudbhavaḥ / teṣāṃ prāgapi sadbhāve upalabdhiḥ prasajyate
If [the Vedas] are of perceptible nature, [their] manifestation occurs when there is operation of that [manifester]; if they existed even before [that operation], perception [of them] would necessarily follow