大乘起信論義記 2.188

2.188

三者、法出離鏡。謂不空法，出煩惱礙、智礙，離和合相，淳淨明故。

“Third is the mirror of dharma-emergence-and-freedom. That is, the non-empty dharma emerges from the affliction obstacle and the cognitive obstacle, is free from the mark of union, and is pure, immaculate, and bright.”