大乘百法明門論疏 1.32

1.32

As for the first, differentiation of cognitive objects: within cognitive objects there are two: first, discerning according to the causal stage; next, discerning according to the fruition stage. First, discerning according to the causal stage: regarding the cognitive objects of the five consciousnesses—eye and the rest—the masters of the Western lands have two explanations. The first explanation states: 'The five consciousnesses, eye and the rest, only cognize real objects, not nominal ones. Why is this? The five consciousnesses, eye and the rest, cognize objects by direct perception (pratyakṣa), without relying on nominal designations, and without relying on these other faculties and objects. Since the other nominal forms, such as long and short, must rely on nominal designations and on these other faculties and objects, they do not cognize nominal forms such as long and short.'