Adhimānasutta
Ekaṁ samayaṁ āyasmā mahākassapo rājagahe viharati veḷuvane kalandakanivāpe. Tatra kho āyasmā mahākassapo bhikkhū āmantesi: “āvuso bhikkhave”ti. “Āvuso”ti kho te bhikkhū āyasmato mahākassapassa paccassosuṁ. Āyasmā mahākassapo etadavoca:
Overestimation
At one time Venerable Mahākassapa was staying near Rājagaha in the Bamboo Grove, the squirrels’ feeding ground. There he addressed the mendicants: “Reverends, mendicants!” “Reverend,” they replied. Venerable Mahākassapa said this: