大乘起信論義記 3.363

3.363

Third, arousing the mind through realization, which has three [parts]: first, generally explaining the essence of arousing the mind; next, explaining the marks of arousing the mind; third, explaining the virtues of full completion. The first also has three: first, indicating the ground and rank; second, explaining and discerning the essence of the practice, which is fundamental cognition; third, explaining the superior function, which is subsequently attained cognition.