大般涅槃經義記 8.226

8.226

第二番中，先辯、後結。辯中，少欲知足二行，一處釋之。先舉四病，造業求有名為「有欲」。次明四治，謂四聖種。下就四治結為少欲知足二行。

In the second round: first it explains, and later it concludes. In the explanation, the two practices of few desires and contentment are interpreted together. First it raises the four illnesses: creating karma to seek existence is called 'having desire'. Next it clarifies the four remedies, namely the four noble lineages. Below, in reference to the four remedies, it concludes with the two practices of few desires and contentment.