Dutiyasamudayadhammasutta

Ekaṁ samayaṁ āyasmā ca sāriputto āyasmā ca mahākoṭṭhiko bārāṇasiyaṁ viharanti isipatane migadāye. Atha kho āyasmā mahākoṭṭhiko sāyanhasamayaṁ paṭisallānā vuṭṭhito …pe… ekamantaṁ nisinno kho āyasmā mahākoṭṭhiko āyasmantaṁ sāriputtaṁ etadavoca: “‘avijjā, avijjā’ti, āvuso sāriputta, vuccati. Katamā nu kho, āvuso, avijjā; kittāvatā ca avijjāgato hotī”ti?

At one time Venerable Sāriputta and Venerable Mahākoṭṭhita were staying near Varanasi in the deer park at Isipatana. … Mahākoṭṭhita said to Sāriputta: “Reverend Sāriputta, they speak of this thing called ‘ignorance’. What is ignorance? And how is an ignoramus defined?”

“Idhāvuso assutavā puthujjano samudayadhammaṁ rūpaṁ ‘samudayadhammaṁ rūpan’ti yathābhūtaṁ nappajānāti; vayadhammaṁ rūpaṁ …pe… ‘samudayavayadhammaṁ rūpan’ti yathābhūtaṁ nappajānāti. Samudayadhammaṁ vedanaṁ …pe… vayadhammaṁ vedanaṁ …pe… ‘samudayavayadhammā vedanā’ti yathābhūtaṁ nappajānāti. Samudayadhammaṁ saññaṁ …pe… samudayadhamme saṅkhāre …pe… vayadhamme saṅkhāre …pe… samudayavayadhamme saṅkhāre ‘samudayavayadhammā saṅkhārā’ti yathābhūtaṁ nappajānāti. Samudayadhammaṁ viññāṇaṁ …pe… samudayavayadhammaṁ viññāṇaṁ ‘samudayavayadhammaṁ viññāṇan’ti yathābhūtaṁ nappajānāti. Ayaṁ vuccati, āvuso, avijjā; ettāvatā ca avijjāgato hotī”ti. Dutiyaṁ.

“Reverend, it’s when an unlearned ordinary person doesn’t truly understand form, which is liable to originate … liable to vanish … liable to originate and vanish, as form which is liable to originate and vanish. They don’t truly understand feeling … perception … choices … consciousness, which is liable to originate … liable to vanish … liable to originate and vanish, as consciousness which is liable to originate and vanish. This is called ignorance. And this is how an ignoramus is defined.”