Dutiyaassādasutta
Bārāṇasiyaṁ viharanti isipatane migadāye …pe… “‘vijja, vijjā’ti, āvuso sāriputta, vuccati. Katamā nu kho, āvuso, vijjā; kittāvatā ca vijjāgato hotī”ti?
Gratification (2nd)
At Varanasi. “Reverend Sāriputta, they speak of this thing called ‘knowledge’. What is knowledge? And how is a knowing one defined?”