Anguttara Nikaya (Coleção dos Discursos Numerados) 2:54
SUJATOAyaṁ kho, bhikkhave, viseso ayaṁ adhippayāso idaṁ nānākaraṇaṁ sutavato ariyasāvakassa assutavatā puthujjanenāti.
This is the difference between a learned noble disciple and an unlearned ordinary person.