金剛經纂要刊定記 6.124

6.124

更無下。轉釋無上義。然此問答之中有三種無上義。初問中言無上頭之上，約修證說。次則無法為上故名無上，約空寂說。後則無對下之上故名無上，約凡聖同體說。後二是答中意也。

From "There is no further" downwards further explains the meaning of "unexcelled." Within this question and answer, there are three meanings of "unexcelled." First, in the question, speaking of "a superior above the superior" is stated in terms of cultivation and realization. Second, having no dharma as superior is named "unexcelled," which is stated in terms of emptiness and quiescence. Third, having no superior in contrast to an inferior is named "unexcelled," which is stated in terms of the identical substance of the ordinary and the noble. The latter two are the intent within the answer.