金剛般若經疏論纂要 1.59

1.59

一、性空故；二、同體故，論云：「自身滅度無異眾生。」三、本寂故；四、無念故；五、法界故。

First, because [their] nature is empty; second, because they are of the same essence, as the treatise says: "Extinguishing oneself is not different from [extinguishing] sentient beings"; third, because they are fundamentally quiescent; fourth, because they are thought-free; fifth, because of the dharmadhātu.