tathā hi pariṇāmo bhavet pūrvarūpaparityāgād vā bhavedaparityāgād vā / yadyaparityāgāt tadāvasthāsāṅkaryaṃ syāt bṛhattvādyavasthāyām api yuvatvādyavasthopalabdhiprasaṅgāt /
For modification would have to occur either through abandonment of the prior form or through non-abandonment. If through non-abandonment, then there would be a confusion of states, as even in the state of maturity one would perceive the state of youth and so forth.