Uttarajjhayana 29.57

29.57

kāyaguttayāe ṇaṃ bhaṃte! jīve kiṃ jaṇayai?
kāyaguttayāe ṇaṃ saṃvaraṃ jaṇayai| saṃvareṇaṃ kāyagutte puṇo pāvāsavanirohaṃ karei|

“Sir, what does the soul produce through guarding of the body?”
“Through guarding of the body it produces stoppage of karma; guarded in body through stoppage of karma, it again effects the blocking of sinful inflows.”