大般涅槃經義記 5.64

5.64

In the faults there are three sentences: first, explaining that the suffering of birth can serve as the root of the other seven; second, from "now, as for decline and old age" onward, adducing the broad ubiquity of birth to establish that birth is the root, within which old age is first cited to highlight birth, and from "experiencing in the three realms" onward, birth is distinguished from old age; third, from "therefore" onward, concludes.