十不二門指要鈔 2.120

2.120

二、百界下，觀成用顯。百界一念本空假中，須順性三以成修德，修性一合果用乃彰，遂使色聲傳生百界，豈無記化化禪不即陰發邪？

Second, from "the hundred realms" onward, contemplation is accomplished and function becomes manifest. The hundred realms in a single thought-moment are fundamentally emptiness, provisionality, and the middle; one must accord with the natural three to accomplish the cultivated virtues. When cultivation and nature fuse into one, the fruition functions become manifest, thereupon causing forms and sounds to be transmitted and arise in the hundred realms. How could the neutral transforming and transformed dhyāna not arise immediately upon the aggregates?