大般涅槃經義記 5.291

5.291

下以因緣類顯無量，「如一因緣，為眾生故種種分別」牒前所辯無量，「以是義」下結勸捨疑。

Below, cause and condition are used to illustrate immeasurability by analogy: "Just as one cause and condition is differentiated in various ways for the sake of sentient beings" repeats the previous explanation of immeasurability; from "for this reason" onward concludes by urging the abandonment of doubt.