Yadi evaṃ kasmā "satipaṭṭhānā"ti bahuvacanaṃ? satibahuttā. Ārammaṇabhedena Hi bahukā etā satiyo. Atha maggoti kasmā ekavacanaṃ? maggaṭṭhena ekattā. Catassopi hi etā satiyo maggaṭṭhena ekattaṃ gacchanti. Vuttaṃ hetaṃ "maggoti kenaṭṭhena maggo, nibbānagamanaṭṭhena, nibbānatthikehi magganīyaṭṭhena cā"ti. Catassopi cetā aparabhāge kāyādīsu ārammaṇesu kiccaṃ sādhayamānā nibbānaṃ gacchanti, ādito paṭṭhāya ca nibbānatthikehi maggiyanti, tasmā catassopi eko maggoti vuccanti. Evañca sativacanānusandhinā sānusandhikāva desanā hoti, "mārasenappamaddanaṃ vo bhikkhave maggaṃ desessāmi, taṃ suṇātha. Katamo ca bhikkhave mārasenappamaddano maggo? yadidaṃ satta sambojjhaṅgā"ti ādīsu viya. Yathā mārasenappamaddanoti ca satta sambojjhaṅgāti ca atthato ekaṃ, byañjanameva nānaṃ, evaṃ "ekāyanamaggo"ti ca "cattāro satipaṭṭhānā"ti ca atthato ekaṃ, byañjanameva nānaṃ, tasmā maggaṭṭhena ekattā ekavacanaṃ, ārammaṇabhedena satibahuttā bahuvacanaṃ veditabbaṃ.

@3 saṃ. mahā. 19/989/285 paṭhamaānandasutta 4 saṃ. mahā. 19/224/89 mārasutta

Kasmā pana bhagavatā cattārova satipaṭṭhānā vuttā anūnā anadhikāti. Veneyyahitattā. Taṇhācaritadiṭṭhicaritasamathayānikavipassanāyānikesu hi mandatikkhavasena dvedhā dvedhā pavattesu veneyyesu mandassa taṇhācaritassa oḷārikaṃ kāyānupassanāsatipaṭṭhānaṃ visuddhimaggo, tikkhassa sukhumaṃ vedanānupassanāsatipaṭṭhānaṃ. Diṭṭhicaritassapi mandassa nātippabhedagataṃ cittānupassanāsatipaṭṭhānaṃ visuddhimaggo, tikkhassa atippabhedagataṃ dhammānupassanāsatipaṭṭhānaṃ visuddhimaggo. Samathayānikassa ca mandassa akicchena adhigantabbanimittaṃ paṭhamaṃ satipaṭṭhānaṃ visuddhimaggo, tikkhassa oḷārikārammaṇe asaṇṭhahanato dutiyaṃ. Vipassanāyānikassāpi mandassa nātippabhedagatārammaṇaṃ tatiyaṃ, tikkhassa atippabhedagatārammaṇaṃ catutthaṃ. Iti cattārova vuttā anūnā anadhikāti.