金剛般若經依天親菩薩論贊略釋秦本義記卷上 1.123

1.123

[Sūtra:] "Subhūti addressed the Buddha, saying: 'Bhagavat, the Tathāgata has nothing spoken.'"
This is the second [part], the answer. Saying comprehensively that the Tathāgata has nothing spoken is to show the identity of what is spoken; it does not mean that the Bhagavat has no speech at all.