瑜伽論記 6.91

6.91

第二、有二十相，心安住中有三；初、標五因二十種相之所攝受令於涅槃心安住相；次、別釋五因；後、彼於爾時由此五因下，結成安住。

Second, concerning the twenty aspects of the steadfast abiding of the mind, there are three parts: first, indicating the characteristics whereby, being embraced by five causes and twenty aspects, the mind steadfastly abides in nirvāṇa; next, explaining the five causes individually; third, from "at that time, through these five causes" onward, concluding with steadfast abiding.