般若波羅蜜多心經贊 1.52

1.52

二開合差別有其二義，一、引、生相對以辨開合，二、發、潤相對以辨開合。引、生相對如彼論說，何緣所生立生、老死，所引別立識等五支？因位難知差別相故，依當果位別立五支，具說如彼。果位易了差別相故，總立二支，以顯三苦，具說如彼。發、潤別者，如彼論說。何緣發業總立無明，潤業位中別立愛、取？雖諸煩惱皆能發、潤，無明力勝，具足如彼，而發業位，無明力增，以具十一殊勝事故，謂所緣等，廣如經。於潤業位，愛力偏增，說愛如水，能沃潤故，要數溉灌，方生有芽。且依初、後，分愛、取二；無重發義，立一無明。

Second, the distinction of expansion and contraction has two aspects: first, discerning expansion and contraction by correlating projecting and producing; second, discerning expansion and contraction by correlating initiating and moistening. Correlating projecting and producing is as explained in that treatise: For what reason are birth and aging-and-death established for what is produced, while the five branches of consciousness and so forth are established separately for what is projected? Because the distinctive characteristics in the causal stage are difficult to know, the five branches are established separately based on the future fruit stage, fully explained as in that treatise. Because the distinctive characteristics in the fruit stage are easy to understand, two branches are established collectively to manifest the three kinds of duḥkha, fully explained as in that treatise. The distinction between initiating and moistening is as explained in that treatise: For what reason is ignorance established collectively for initiating karma, while craving and grasping are established separately in the stage of moistening karma? Although all afflictions are able to initiate and moisten, the power of ignorance is preeminent, fully as in that treatise; and at the stage of initiating karma, the power of ignorance increases because it possesses eleven superior functions—namely, the cognitive object and so forth, as explained at length in the sūtra. At the stage of moistening karma, the power of craving increases specifically, craving being described as like water that can irrigate and moisten, requiring frequent irrigation before the sprout of existence is produced. Tentatively relying on the beginning and the end, craving and grasping are divided into two; since there is no meaning of repeated initiation, a single ignorance is established.