維摩經玄疏 3.90

3.90

第四、約一諦理明所詮者，亦為三意：一者，正明所詮理；二，明能詮教；三，約經論。

Fourth, clarifying what is expressed in terms of the principle of the one truth also has three parts: first, directly clarifying the principle expressed; second, clarifying the teaching that expresses [it]; third, matching [them] with the sūtras and treatises.