etad uktaṃ bhavati yadi sādhanavādī svakīyaśāstāraṃ dharmādharmajñaṃ sādhayati tadā tasya sādhane kṛte sati tat praṇītāgamasya grāhyatā siddhyati /
This means that if the proponent establishes [the existence of] his own teacher who knows dharma and adharma, then when this proof is accomplished, the acceptability of the scripture composed by him becomes established.