大乘起信論義記 2.190

2.190

四者、緣熏習鏡。謂依法出離故，遍照眾生之心，令修善根，隨念示現故。

“Fourth is the mirror of conditioning-perfuming. That is, relying on dharma-emergence-and-freedom, it universally illuminates the minds of sentient beings, causing them to cultivate good roots and manifesting in accordance with their thoughts.”