成唯識論述記 7.82

7.82

The Commentary states: The third is the gate of association with consciousnesses. The seventh and eighth are as explained before. Regret and torpor accompany only the sixth consciousness, because they are not dharmas that accompany the five consciousnesses. Why is this? These two can arise only through forceful reflection and preparatory effort, and are not spontaneously produced. Fascicle 1 of the Great Treatise states: dreaming is an unshared activity of the mental consciousness; and when remorse (kaukṛtya) first arises, it must necessarily arise in association with the faculty of grief (daurmanasya).