Sutanusutta
Ekaṁ samayaṁ āyasmā anuruddho sāvatthiyaṁ viharati sutanutīre. Atha kho sambahulā bhikkhū yenāyasmā anuruddho tenupasaṅkamiṁsu; upasaṅkamitvā āyasmatā anuruddhena saddhiṁ sammodiṁsu. Sammodanīyaṁ kathaṁ sāraṇīyaṁ vītisāretvā ekamantaṁ nisīdiṁsu. Ekamantaṁ nisinnā kho te bhikkhū āyasmantaṁ anuruddhaṁ etadavocuṁ: “katamesaṁ āyasmā anuruddho dhammānaṁ bhāvitattā bahulīkatattā mahābhiññataṁ patto”ti?
On the Bank of the Sutanu
At one time Venerable Anuruddha was staying near Sāvatthī on the bank of the Sutanu. Then several mendicants went up to Venerable Anuruddha, and exchanged greetings with him. When the greetings and polite conversation were over, they sat down to one side, and said to him: “What things has Venerable Anuruddha developed and cultivated to attain great direct knowledge?”