大般涅槃經義記 6.127

6.127

佛答有二：一明菩薩是世非世、二「汝言」已下辯明與世同異之義。前中，「菩薩亦世非世」略以標舉，下辯其相。善趣菩薩未知、見、覺名為世間，種性已上能知、見、覺說為非世。

The Buddha's answer has two parts: First, he explains that the bodhisattva is of the world and not of the world; second, from "What you said" onward, he discriminates the meaning of identity with and difference from the world. In the former, "the bodhisattva is both of the world and not of the world" is briefly highlighted, and below he discriminates its characteristics. A bodhisattva of good destinies who does not yet know, see, or perceive is called "of the world"; from the lineage [stage] and above, being able to know, see, and perceive, they are described as "not of the world."