Yathā pana aññattha "ananto ākāso"ti vuttaṃ, evamidha "anantan"ti vā "parittan"ti vā na gahitaṃ. Kasmā? anante hi gahite parittaṃ na gaṇhāti, paritte gahite anantaṃ na gaṇhāti. Evaṃ sante ārammaṇacatukkaṃ na pūrati, desanā soḷasakkhattukā na hoti, sammāsambuddhassa ca imasmiṃ ṭhāne desanaṃ soḷasakkhattukaṃ kātuṃ ajjhāsayo. Tasmā "anantan"ti vā "parittan"ti vā avatvā "ākāsānañcāyatanasaññāsahagatan"ti āha. Evañca sati ubhayampi gahitameva hoti, ārammaṇacatukkaṃ pūrati, desanā soḷasakkhattukā sampajjati. Avaseso pāliattho heṭṭhā vuttanayeneva veditabbo. Rūpāvacaracatutthajjhānanikanti- pariyādānadukkhatāya cettha dukkhāpaṭipadā, pariyādinnanikantikassa appanāparivāsadandhatāya dandhābhiññā hoti. Vipariyāyena sukhāpaṭipadā ca khippābhiññā ca veditabbā. Parittakasiṇugghāṭimākāse pana pavattaṃ jhānaṃ parittārammaṇaṃ, vipulakasiṇugghāṭimākāse pavattaṃ appamāṇārammaṇanti veditabbaṃ. Upekkhābrahmavihāre viya ca idhāpi catutthajjhānavasena pañcavīsati ekakā honti. Yathā cettha, evaṃ ito paresupi. Visesamattameva pana tesu vaṇṇayissāma.

Viññāṇañcāyatanavaṇṇanā

[266] Ākāsānañcāyatanaṃ samatikkammāti ettha pana tāva pubbe vuttanayeneva ākāsānañcaṃ āyatanamassa adhiṭṭhānaṭṭhenāti jhānampi