大方廣佛華嚴經隨疏演義鈔 22.20

22.20

疏「七清淨最勝者，謂要不為二障間雜」者，約分說耳。通說清淨為離二障，行於六度耳。言謂「三時無悔」者，此乃大乘法師釋論意也。悔即煩惱，由不了故，即是所知。又即此悔心障於真智，亦所知也。

Regarding the Commentary's 'Seventh, superior purity: meaning it must not be intermingled with the two hindrances': this is said in terms of parts. Generally speaking, purity means practicing the six pāramitās free from the two hindrances. Regarding 'having no regret at the three times': this is the intention of the Mahāyāna master explaining the treatise. Regret is an affliction; because of non-comprehension, it is precisely [the hindrance of] the knowable. Furthermore, this regretful mind obstructs true cognition, so it is also [the hindrance of] the knowable.