大方廣圓覺修多羅了義經略疏 2.188

2.188

立相之教染淨迢然，破相之宗染淨俱絕。今顯出覺性，染淨融通，故此之前未曾聞見。

The teachings that establish marks keep defilement and purity clearly distinct; the tenets that refute marks abolish both defilement and purity. Now, revealing the enlightened nature, defilement and purity interfuse; thus before this, we had never heard or seen it.