觀音義疏記 1.13

1.13

答：此唯於火法門中能知諸法，不能於餘法門知諸法故。以彼經云「我唯知此一法門」，故知仍是教道之說。

Answer: This only knows all dharmas within the fire Dharma-gate, and cannot know all dharmas in other Dharma-gates. Because that sūtra says, "I only know this single Dharma-gate," one knows it is still an explanation according to the doctrinal path.