成唯識論述記 9.507

9.507

述曰：自下第五，總攝上義，釋本頌文，總牒前義，其文易解。中忍之中順樂忍可者，順樂後位上品之忍，修無能取。

The Commentary states: Below is the fifth part, which summarizes the above meanings, explains the text of the root verses, and summarizes the prior points; its text is easy to understand. In middle patience, "conforming to and delighting in acquiescence" means conforming to and delighting in the patience of the subsequent stage—the upper grade—and cultivating the nonexistence of the grasping [subject].