Tatiyakoṭṭhikasutta
Taññeva nidānaṁ. Ekamantaṁ nisinno kho āyasmā sāriputto āyasmantaṁ mahākoṭṭhikaṁ etadavoca: “‘avijjā, avijjā’ti, āvuso koṭṭhika, vuccati. Katamā nu kho, āvuso, avijjā; kittāvatā ca avijjāgato hotī”ti?
With Koṭṭhita (3rd)
The same setting. Sāriputta said to Mahākoṭṭhita: “Reverend Koṭṭhita, they speak of this thing called ‘ignorance’. What is ignorance? And how is an ignoramus defined?”