金光明經文句記 2.42

2.42

三、不淫戒，二：初、示事理持犯。示事理者，意在兼持，以事扶理、以理導事。既居末代，功在事持，乃是涅槃扶律之意。理持論於染不染者，心觀他境名為染法，既境為觀方名不染。言種種者，事隨理觀，小大偏圓具如下辨。

Third, the precept against sexual misconduct, in two parts: first, demonstrating the observance and violation in terms of phenomena and principle. Demonstrating phenomena and principle has the intention of observing both together, using phenomena to support principle and using principle to guide phenomena. Since we live in the final age, efficacy lies in phenomenal observance; this is the meaning of the Nirvāṇa Sūtra's supporting the Vinaya. When the observance of principle discusses being stained and unstained: the mind contemplating another realm is called stained phenomena; when the realm itself serves as contemplation, only then is it called unstained. Speaking of "various kinds": phenomena follow the contemplation of principle, and the lesser, greater, biased, and complete are fully differentiated below.