金光明經文句記 2.79

2.79

初、約果人示。雖就果示，意顯始行，故云圓人。妄語法門者，乃是性德權巧妙門也。稱妄語者，無而說有也。謂十界冥合本是一乘，無有三乘差別之相。佛為機故分別說三，令諸眾生各為究竟，自求趣證速出生死。如無三車說有三車，令諸樂著嬉戲之子爭出火宅。天無常樂說有常樂，如以黃葉止彼啼兒。此皆巧用妄語法門而為利益也。

First, presenting in terms of persons of the fruit. Although presented in terms of the fruit, the intent is to reveal the initial practice; hence it says "persons of the perfect [teaching]." The Dharma-door of false speech is a marvelous gate of the provisional expedients of the nature's virtues. What is called false speech is speaking of what is non-existent as existent. It means that the ten realms merge and are fundamentally the One Vehicle, without the distinct marks of the three vehicles. For the sake of capacities, the Buddha discriminatively preached three, causing all sentient beings to each take it as ultimate, to seek realization themselves, and swiftly escape saṃsāra. It is like preaching the existence of three carts when there are no three carts, causing the children who delight in frivolous play to vie in leaving the burning house. In heaven there is no permanent bliss, yet he preaches that there is permanent bliss, like stopping the weeping child with yellow leaves. These are all skillful uses of the Dharma-door of false speech to bring benefit.