大乘起信論略述 2.132

2.132

論。答白至終無得淨　述曰。下答有二。初答前問。後重顯方便。前中亦二。先喻。後合。此初也。

[Treatise:] Answer:... it could never attain purity.
[Exposition:] Below, the answer has two parts: first, answering the preceding question; later, re-explaining the skillful means. The former also has two: first, an analogy; later, the application. This is the first.