大乘義章 15.30

15.30

十二頭陀義兩門分別（釋名辨相一　對四聖種辨其同異二）

The doctrine of the twelve ascetic practices (dhūtaguṇa) is distinguished into two sections (first, explaining the names and discerning the characteristics; second, discerning their similarities and differences in relation to the four noble lineages).