妙法蓮華經玄義 3.173

3.173

開麁顯妙者。他云：「《梵網》是菩薩戒。」今問：「是何等菩薩戒？」彼若答言：「是藏、通等菩薩戒」者，應別有菩薩眾。眾既不別，戒何得異？又，若別明菩薩戒，何等別是緣覺戒？今明三藏三乘無別眾，不得別有菩薩、緣覺之戒也。若作別、圓菩薩解者，可然。何者？三乘共眾外，別有菩薩，故別有戒。

Opening the coarse and revealing the subtle: Others say, 'The Brahmā Net [Sūtra] is the bodhisattva precepts.' Now I ask: 'What kind of bodhisattva precepts are they?' If they reply, 'They are the bodhisattva precepts of the tripiṭaka or shared [teachings],' then there ought to be a separate assembly of bodhisattvas. Since the assembly is not separate, how could the precepts be different? Moreover, if one separately explains bodhisattva precepts, what separately are the pratyekabuddha precepts? Now we explain that among the three vehicles of the tripiṭaka teaching there is no separate assembly, so there cannot be separate precepts for bodhisattvas and pratyekabuddhas. If one understands them as bodhisattvas of the distinctive or perfect [teachings], that is acceptable. Why? Outside the shared assembly of the three vehicles, there are separately bodhisattvas, and therefore there are separately precepts.