大般涅槃經義記 2.66

2.66

自下第三牒以結勸。「如彼醫」等，牒舉前喻。「如來亦」等，牒舉上法。「汝等」已下結勸修習。

From here downward is the third [part], citing them to conclude with an exhortation. 'Just as that physician,' etc., cites the previous parable. 'The Tathāgata also,' etc., cites the Dharma above. From 'You all' downward concludes by exhorting them to cultivate and practice.