大方廣圓覺修多羅了義經略疏 2.94

2.94

Second, explaining the spiritual gotras to make them known: because of the earlier explanation that from beginning to end, activity and stillness, and even pondering the Buddha's realm, are all saṃsāra, Maitreya asked about their gotras, meaning: 'Previously I heard other teachings speak only of transmigration in the five destinies; now how is it that practitioners of the three vehicles also cannot avoid it?' Therefore the Buddha explained for him that due to fundamental greed and desire, avidyā is stirred, manifesting five distinct natures, which therefore belong to saṃsāra because they do not take awakening to pure perfect enlightenment as the fundamental cause. However, within the bodhisattva nature, regarding the aspects of cultivation and realization, one merely eliminates the defects, not the Dharmas; the rest is as in the Extended Commentary. The text has two parts: first, a general indication of the causes and supports.