大般涅槃經集解 21.31

21.31

案僧亮曰：已說字竟，次明解與不解。若得出之旨，為解字也。智秀曰：此下第六，辯知不知相也。

Sengliang comments: Having finished explaining the characters, next it clarifies understanding versus lack of understanding. If one attains the intended import, that constitutes understanding the characters. Zhixiu comments: Below is the sixth [section], discerning the marks of knowing and not knowing.