tathā pūrvabhāvinaḥ śrutaśilpādyabhyāsaviśeṣasyotkarṣāpakarṣābhyām uttarabuddhīnāṃ samutkarṣāpakarṣau dṛṣṭau
Similarly, when there is deterioration and improvement in the previous practice of learning and arts, corresponding deterioration and improvement are observed in subsequent cognitions.