楞伽阿跋多羅寶經註解 1.121

1.121

問誰知諸法如虛空，離妄想分別。《入楞伽》云：「云何如虛空？云何離分別？」

This asks who knows all dharmas to be like space and separates from vikalpa and discrimination. The Entry into the Laṅkā states: 'How is it like space? How does one separate from discrimination?'