首楞嚴義疏注經 10.208

10.208

所知即識陰也，是彼觀行所知境故。識陰能變一切諸法，名知遍圓。悟此諸法從知變起，以知為體，故云因知立解。十方草木下即解之行相也，既此依正皆從知有，何得一知一無知耶？故無揀擇。一切皆知，自謂決定不謬，故云勝解。

'What is known' is the aggregate of consciousness, because it is the objective realm known through his practice of contemplation. The aggregate of consciousness can transform all dharmas, which is called 'knowing is pervasive and perfect.' Realizing that these dharmas are transformed and arisen from knowing, with knowing as their substance, it says 'establishes an understanding based on knowing.' The passage from 'all grasses and trees in the ten directions' onward is the specific aspect of this understanding. Since both environment and sentient beings exist from knowing, how could one be knowing and another non-knowing? Therefore, without discrimination, all possess knowing; considering this definitely unerring, it says 'superior understanding.'