金剛般若經疏論纂要 2.96

2.96

Second, severing the doubt that there are entirely no dharmas. The treatise says: "Someone slanders, saying: 'If there is no causal practice, the Tathāgata would not attain anuttarā-bodhi.' In order to sever this doubt, it says 'what the Tathāgata has attained,' and so forth."