勸發菩提心集 3.156

3.156

自性利行，由彼愛語，為諸有情，示現正理，隨其所應，於諸所學，隨義利行法隨法行，如是行中安住悲心無愛染心，勸導調伏安處建立，略名自性。

The intrinsic nature of beneficial action is: by means of that affectionate speech, revealing correct principle to sentient beings, and according to what is appropriate, regarding all trainings, following the practice of beneficial meaning and practicing in accordance with the Dharma; abiding in a compassionate mind free from affectionate attachment in such conduct, exhorting, taming, establishing, and grounding them—this is briefly called its intrinsic nature.