大乘起信論別記 1.158

1.158

"Subtle among the subtle" refers to the last one of the latter. Because the first two of the former both reside in the manovijñāna, their mode of activity is coarse, known to ordinary beings; the last one of the former is the seventh consciousness, its mode of activity not being coarse, not understood by ordinary beings; the first two of the latter have the distinction of subject and object, known to bodhisattvas; and the very last one has not yet divided into perceiver and perceived, understood thoroughly only by the Buddha. Below this, the meaning of complete cessation is explained. Intending to explain the meaning of cessation, he first clarifies the cognitive conditions.