諸經要集 20.65

20.65

又雜譬喻經云。有一比丘。不彈指來大小便灒。污中鬼面上。魔鬼大恚欲殺。沙門持戒。魔鬼隨逐伺覓其短。不能得便（既知此事上廁必須謦咳）。

Also, the Zapiyu jing states: “There was a bhikṣu who came without snapping his fingers, and when he relieved himself, it splattered upon the face of a ghost. The demonic ghost was furious and wished to kill him, but the śramaṇa maintained the precepts, and though the demonic ghost followed him seeking his fault, it could not find an opening. (Knowing this matter, when going to the privy one must clear the throat.)”