Avijjāsutta
“Purimā, bhikkhave, koṭi na paññāyati avijjāya: ‘ito pubbe avijjā nāhosi, atha pacchā samabhavī’ti. Evañcetaṁ, bhikkhave, vuccati, atha ca pana paññāyati: ‘idappaccayā avijjā’ti.
Ignorance
“Mendicants, it is said that no prior point of ignorance is found, before which there was no ignorance, and afterwards it came to be. And yet it is evident that there is a specific condition for ignorance.