tathā hi pramāṇānāṃ svarūpaṃ kādācitkaṃ pratyakṣata eva siddham / anumānato 'pi kāryakramato 'numitam tataśca tasya nityatvābhyupagamaḥ sphuṭataram eva pramāṇābhyāṃ bādhyata iti //
For the occasional nature of the essential form of the pramāṇas is established directly through perception, and is also inferred from the sequential nature of [their] effects, and therefore the acceptance of their eternality is very clearly contradicted by these two pramāṇas.