四分律行事鈔資持記 2.14

2.14

結勸中。功業重者，總上八喻，歸前二義，餘竝生善中最；第一第四，及七中末喻，即建立功強也。

In 'Concluding Exhortation'. 'Its efficacious karma is heavy' summarizes the eight metaphors above and returns them to the prior two meanings; the rest all belong to 'supreme in generating good'; the first, the fourth, and the end of the seventh metaphor are 'its efficacy in establishment is strong'.