大般涅槃經義記 6.4

6.4

廣中先問，但問空理，不問能見。下佛答之，文別有四：一明空義、二約空辯觀、三「從菩薩得如是」下就向後段結明觀益、四「我今於是眾中說」下就上初段結明說益。

In the extensive [explanation], he asks first: he asks only about the principle of emptiness, not about that which is able to see. Below, the Buddha answers, and the text has four parts: first, clarifying the meaning of emptiness; second, explaining contemplation in relation to emptiness; third, below "From the bodhisattva attaining such...", based on the latter section he concludes by clarifying the benefit of contemplation; fourth, below "I now speak among this assembly...", based on the former first section he concludes by clarifying the benefit of speaking.