大般涅槃經集解 50.24

50.24

案僧亮曰：因果為二，謂煩惱盡因果滅，得常住也。寶亮曰：除二邊者，二十五有因果無明愛都盡也。

Sengliang states: Cause and fruit are the two; it means that when afflictions are exhausted, cause and fruit are extinguished, and permanence is attained. Baoliang states: 'Removing the two extremes' means that the causes and fruits, ignorance and craving, of the twenty-five states of existence are all exhausted.