大般涅槃經義記 8.212

8.212

自下第六說一切法以為佛性。於中有四：一辯性體相、二嘆經嘆性令人習學、三重辯性相、四嘆經嘆性令人習學。

From here below, the sixth section explains all dharmas as buddha-nature. Within this there are four parts: 1. discerning the essence and characteristics of the nature; 2. praising the sūtra and praising the nature to inspire people to study and practice; 3. repeatedly discerning the characteristics of the nature; 4. praising the sūtra and praising the nature to inspire people to study and practice.