yata eva hi kṣaṇasthitidharmāṇaḥ padārthās tathādhyavasīyamānatanavastasyā buddher nimittamato nānimittatvaprasaṅgaḥ //
Since things have the character of momentary existence, and [those same] things that are apprehended as perishable form the basis for the cognition [of perishability], therefore there is no possibility of [this cognition] being without basis.