atha katham avagataṃ yeyaṃ hrasvamahattvādidhīḥ śabde bhavati sā paropādhikā, natu svata eva mahattvādibhedasadbhāvād ity āha svato hrasvādibheda ityādi / svato hrasvādibhedas tu nityatvāder virudhyate / sarvadā yasya sadbhāvaḥ sa kathaṃ mātrikaḥ svayam //
How is it known that this cognition of shortness, largeness etc. in sound is due to external conditions and not due to the existence of actual differences of largeness etc.? [In response] he says "svato hrasvādibhedaḥ" etc. The inherent difference of shortness etc. would contradict eternality etc. How can that which exists eternally itself have temporal measure?