Idha pana, bhikkhave, bhikkhuno appamattassa ātāpino pahitattassa viharato uppajjati upekkhindriyaṁ. So evaṁ pajānāti: ‘uppannaṁ kho me idaṁ upekkhindriyaṁ, tañca kho sanimittaṁ sanidānaṁ sasaṅkhāraṁ sappaccayaṁ. tañca animittaṁ anidānaṁ asaṅkhāraṁ appaccayaṁ upekkhindriyaṁ uppajjissatī’ti—netaṁ ṭhānaṁ vijjati. So upekkhindriyañca pajānāti, upekkhindriyasamudayañca pajānāti, upekkhindriyanirodhañca pajānāti, yattha cuppannaṁ upekkhindriyaṁ aparisesaṁ nirujjhati tañca pajānāti. Kattha cuppannaṁ upekkhindriyaṁ aparisesaṁ nirujjhati? Idha, bhikkhave, bhikkhu sabbaso nevasaññānāsaññāyatanaṁ samatikkamma saññāvedayitanirodhaṁ upasampajja viharati, ettha cuppannaṁ upekkhindriyaṁ aparisesaṁ nirujjhati. Ayaṁ vuccati, bhikkhave, ‘bhikkhu aññāsi upekkhindriyassa nirodhaṁ, tadatthāya cittaṁ upasaṁharatī’”ti. Dasamaṁ. Sukhindriyavaggo catuttho. Tassuddānaṁ Suddhikañca soto arahā, duve samaṇabrāhmaṇā; Vibhaṅgena tayo vuttā, kaṭṭho uppaṭipāṭikanti.

5. Jarāvagga

Jarādhammasutta