大般涅槃經集解 55.30

55.30

案僧亮曰：第三，隨從天行是名正定，以此方知四禪是天行者也。僧宗曰：第三，就比丘於此經修行，以明十法也。

Sengliang comments: Third, following the celestial practice is called right concentration; from this we know that the four dhyānas are the celestial practice. Sengzong comments: Third, it explains the ten dharmas with respect to a monk practicing in accordance with this sūtra.