四分律刪補隨機羯磨 2.423

2.423

（《律》中並有其事而文意散落，正本出在《僧祇》而彼言略意廣。又當世盛行，故須義加云：）

(In the Vinaya all these matters are present, but the textual meaning is scattered; the primary source appears in the Mahāsāṃghika-vinaya, where the words are brief yet the meaning is vast. Furthermore, since it is widely practiced in our time, it is necessary to supplement its meaning, saying:)