四分律行事鈔資持記 2.954

2.954

第十。（佛在曠野城，六群為佛修講堂，自掘地招譏，因制。）

The tenth [rule]. (When the Buddha was in the wilderness city of Āṭavī, the ṣaḍvargikas built a lecture hall for the Buddha and dug the earth themselves, incurring censure, because of which it was prohibited.)