Tattha atthi desanāya ādimajjhapariyosānaṃ, atthi sāsanassa. Desanāya tāva catuppadikāyapi gāthāya paṭhamapādo ādi nāma, tato dve majjhaṃ nāma, ante eko pariyosānaṃ nāma. Ekānusandhikassa suttassa nidānamādi, idamavocāti pariyosānaṃ, ubhinnaṃ antarā majjhaṃ. Anekānusandhikassa suttassa paṭhamānusandhi ādi, ante anusandhi pariyosānaṃ, majjhe eko vā dve vā bahū vā majjhameva. Sāsanassa pana sīlasamādhivipassanā ādi nāma. Vuttampi cetaṃ – "ko cādi kusalānaṃ dhammānaṃ, sīlañca suvisuddhaṃ, diṭṭhi ca ujukā"ti (saṃ. ni. 5.369). "Atthi, bhikkhave, majjhimā paṭipadā tathāgatena abhisambuddhā"ti evaṃ vutto pana ariyamaggo majjhaṃ nāma, phalañceva nibbānañca pariyosānaṃ nāma. "Etadatthamidaṃ, brāhmaṇa, brahmacariyametaṃ sāraṃ, etaṃ pariyosāna"nti (ma. ni. 1.324) hi ettha phalaṃ pariyosānanti vuttaṃ. "Nibbānogadhañhi, āvuso visākha, brahmacariyaṃ vussati nibbānaparāyaṇaṃ nibbānapariyosāna"nti (ma. ni. 1.466) ettha nibbānaṃ pariyosānanti vuttaṃ. Idha desanāya ādimajjhapariyosānaṃ adhippetaṃ. Bhagavā hi dhammaṃ desento ādimhi sīlaṃ dassetvā majjhe maggaṃ pariyosāne nibbānaṃ dasseti. Tena vuttaṃ – "so dhammaṃ deseti ādikalyāṇaṃ majjhekalyāṇaṃ pariyosānakalyāṇa"nti. Tasmā aññopi dhammakathiko dhammaṃ kathento –