Adittasutta 2.3

2.3

Imasmiñca pana veyyākaraṇasmiṃ bhaññamāne tassa bhikkhusahassassa anupādāya āsavehi cittāni vimucciṃsūti.

And while this discourse was being spoken, the minds of the thousand mendicants were freed from defilements by not grasping.