SN 35.94

cha'y'ime, bhikkhave, phass'āyatanā adantā aguttā arakkhitā asaṃvutā dukkh'ādhivāhā honti. katame cha? cakkhu, bhikkhave, phass'āyatanaṃ adantaṃ aguttaṃ arakkhitaṃ asaṃvutaṃ dukkh'ādhivāhaṃ hoti

DN 31

cha kho'me, gahapatiputta, ādīnavā vikālavisikhācariy'ānuyoge. attā'pi'ssa agutto arakkhito hoti, puttadāro'pi'ssa agutto arakkhito hoti, sāpateyyaṃ'pi'ssa aguttaṃ arakkhitaṃ hoti, saṅkiyo ca hoti pāpakesu ṭhānesu, abhūtavacanañ'ca tasmiṃ rūhati, bahūnañ'ca dukkhadhammānaṃ purakkhato hoti.