Mimamsashastrasarvasva 3.5

3.5

siddhānāṃ nityataivaikā subodhā vedatāpi vā³ ”
śākyādigranthebhyopyavagatistāvajjāyate sā ca svataḥ pramāṇam
na ca teṣāṃ pauruṣeyatvam
“ yenaivākṛtakatvaṃ hi vedasya pratipādyate

For established texts, eternity alone is easily understood, or even status as Veda.” (3)
An understanding arises even from the texts of the Śākyas and others, and that is intrinsically authoritative; nor do they have human authorship.
“For by the very reasoning through which the uncreated nature of the Veda is established,