金剛經纂要刊定記 7.85

7.85

即此等者，若存我法即分別無窮，但了二空則自無分別，即此二空觀，為入理之方便也。

Regarding "precisely this" and so forth: if self and dharmas remain, discrimination is endless; but once the two emptinesses are realized, there is naturally no discrimination. Precisely this contemplation of the two emptinesses serves as the skillful means for entering into principle.