大乘起信論裂網疏 2.31

2.31

Second, explaining the aspect of the mind's arising and ceasing, which has two [parts]: first, correctly explaining the marks of the causes and conditions of this mind's arising and ceasing; second, revealing the essence, marks, and function of the Mahāyāna. Under the first there are two: first, explaining the arising and ceasing of defilement and purity; second, explaining the perfuming of defilement and purity. Under the first there are three: first, correctly explaining the mind's arising and ceasing; second, explaining the causes and conditions of arising and ceasing; third, distinguishing the marks of arising and ceasing. The first again has three: first, setting forth names and listing meanings; second, explaining each according to its meaning; third, generally distinguishing identity and difference. Now, the first.