法華宗要 1.10

1.10

答：〈方便品〉言：「佛以無數方便演說諸法，是法皆為一佛乘故。」此文正是用三為一之證也。又言：「是諸眾生從佛聞法，究竟皆得一切種智。」此言正是將三致一之證也。

Answer: The Upāyakauśalya-parivarta says: 'The Buddhas with countless skillful means expound all dharmas, and these dharmas are all for the sake of the one Buddha-vehicle.' This text is precisely the proof for using the three as the one. It also says: 'All these sentient beings hear the Dharma from the Buddhas, and ultimately all attain sarvākārajñatā.' These words are precisely the proof for taking the three to reach the one.