楞伽阿跋多羅寶經註解 1.670

1.670

性建立中，言虛空、滅、般涅槃者，即三無為也。虛空謂虛空，無為滅謂非擇滅，無為般涅槃謂擇滅無為，此三無為皆無作性，但邪計執著建立為有。言離性非性者，謂一切諸法本來非有非無，如兔馬等角是喻非有，如垂髮由翳目而生是喻非無。

In the positings of nature, the mention of space, cessation, and nirvāṇa refers to the three unconditioned dharmas. 'Space' means the unconditioned dharma of space; 'cessation' means the unconditioned dharma of cessation not through deliberation; and 'nirvāṇa' means the unconditioned dharma of cessation through deliberation. These three unconditioned dharmas are all without an uncreated nature, yet are posited as existent through false clinging and attachment. When it says 'free from nature and non-nature', it means that all dharmas are originally neither existent nor non-existent. Like the horns of hares and horses, they exemplify non-existence; like the tuft of hair appearing due to cataract-diseased eyes, they exemplify not being non-existent.