Uttarajjhayana 29.58

29.58

manasamāhāraṇayāe ṇaṃ bhaṃte! jīve kiṃ jaṇayai?
manasamāhāraṇayāe ṇaṃ egaggaṃ jaṇayai, jaṇaittā nāṇapajjave jaṇayai, jaṇaittā sammattaṃ visohei micchattaṃ ca nijjarei|

“Sir, what does the soul produce through concentration of the mind?”
“Through concentration of the mind it produces one-pointedness; having produced [it], it produces modes of knowledge; having produced [them], it purifies right view and wears away false view.”