大般涅槃經義記 8.127

8.127

就初段中，先對初問辯出性體，「以是義故佛性常」下超答第三，明其佛性常、樂、我、淨，「無明覆」下超對第四明諸眾生不見所由。

Within the first section, he first discriminates the essence of the nature in response to the initial question; from "For this reason, the buddha-nature is permanent" onward, skipping ahead, he answers the third, clarifying that the buddha-nature is permanent, blissful, self, and pure; from "covered by ignorance" onward, skipping ahead, in response to the fourth, he clarifies the reason why all sentient beings do not see it.