大乘起信論義記別記 1.55

1.55

第三十三、染淨義。問曰：不思議業者，相用俱名義大，於隨染業幻中何處攝耶？答：應作四句：一、一向淨，謂出纏四智等故。二、一向染，謂隨流有情無明未發覺故。三、非染非淨，謂離言真如故。四、亦染亦淨，謂相用二義大故。亦染故，隨地前機染幻現故；亦淨故，隨緣真如不變故。今於此四句，非第四句為第三句，非第三句為第四句，亦可總非四句，合作一句，互融無礙，思之可見。

Thirty-third: The meaning of defilement and purity. Question: As for the inconceivable karma, characteristics and functions are both called the greatness of meaning; where is it subsumed within the illusions of karmas conforming to defilement? Answer: One should make four propositions: 1. Solely pure, referring to the four wisdoms and so forth freed from entanglements. 2. Solely defiled, referring to sentient beings following the flow who have not yet awakened from ignorance. 3. Neither defiled nor pure, referring to tathatā beyond words. 4. Both defiled and pure, referring to the two greatnesses of meaning: characteristics and function. Because it is also defiled, it manifests as illusion conforming to the defilement of capacities prior to the stages; because it is also pure, tathatā conforming to conditions remains unchanging. Now, regarding these four propositions, the fourth proposition is not the third proposition, and the third proposition is not the fourth proposition; one may also negate all four propositions collectively and combine them into a single proposition, mutually fused without obstruction, which can be seen upon reflection.