大般涅槃經義記 1.172

1.172

上來五偈舉己所慶，下明歡喜，於中初法、次喻、後合，下結可知。上來慶前。自下請後，述前大眾四偈所勸，即為請也。

The preceding five verses cited what he celebrated; below, his joy is made clear, within which there is first the doctrinal statement, next an analogy, and finally the application, and the concluding summary below can be understood. The preceding celebrated what came before. From here downward he entreats what comes after, recounting what was urged by the assembly in the four preceding verses, which precisely constitutes an entreaty.