athavā ye satyātmanopadiṣṭās te kenacid viditāḥ, yathā kanakaviśuddhyādayaḥ, satyātmanā copadiṣṭā dharmādaya iti svabhāvahetuḥ //
Or alternatively, those things which have been taught by truthful persons must have been known by someone, like [knowledge of] the purity of gold and similar [things], and dharma and other [such things] have been taught by truthful persons - thus this is a natural reason.