法華義疏 3.191

3.191

次、約釋迦以開三者，初一偈明所對之人，次半行正開權，後半行釋開權意。言「處處著」者，則三界處，以眾生著三界處，故假說三乘引之令出，蓋是為出三界故明三乘，不言道理有三說於三也。又有此文來者，時眾疑云：道理既無三，何故說三？則釋云：為眾生處處著，引之令得出，故說三也。

Second, in reference to Śākyamuni opening the three: the first verse clarifies the persons addressed; the next half-line directly opens the provisional; the latter half-line explains the intent behind opening the provisional. As for "clinging to place after place," this means the places of the three realms: because sentient beings cling to the places of the three realms, he provisionally speaks of the triyāna to guide them and cause them to escape; it was merely for the sake of escaping the three realms that he explained the triyāna, not saying that the principle fundamentally has three and therefore speaking of three. Furthermore, the reason this text appears is that the assembly at the time doubted: "If in principle there are not three, why speak of three?" It then explains: "Because sentient beings cling to place after place, to guide them and enable them to escape, he spoke of three."