大乘起信論義記 3.161

3.161

二者、已相應，謂法身菩薩得無分別心，與諸佛自體相應得自在業與諸佛智用相應，唯依法力自然修行，熏習真如，滅無明故。

"The second is already conjoined: that is, dharmakāya bodhisattvas have attained the non-conceptual mind and are conjoined with the self-substance of the Buddhas, have attained sovereign activity and are conjoined with the cognitive function of the Buddhas, and purely relying on the power of the Dharma, naturally practice, perfuming tathatā, because they extinguish avidyā."