Aparo nayo. Dhammoti hetu, vuttaṃ hetaṃ "hetumhi ñāṇaṃ dhammapaṭisambhidā"ti. Atthoti hetuphalaṃ, vuttaṃ hetaṃ "hetuphale ñāṇaṃ atthapaṭisambhidā"ti. Desanāti paññatti, yathādhammaṃ dhammābhilāpoti adhippāyo. Anulomapaṭilomasaṅkhepavitthārādivasena vā kathanaṃ. Paṭivedhoti abhisamayo. So ca lokiyalokuttaro visayato asammohato ca atthānurūpaṃ dhammesu, dhammānurūpaṃ atthesu, paññattiyathānurūpaṃ paññattīsu avabodho. Tesaṃ tesaṃ vā tattha tattha vuttadhammānaṃ paṭivijjhitabbo salakkhaṇasaṅkhāto aviparītasabhāvo.

Idāni yasmā etesu piṭakesu yaṃ yaṃ dhammajātaṃ vā atthajātaṃ vā, yo cāyaṃ yathā yathā ñāpetabbo attho sotūnaṃ ñāṇassa abhimukho hoti, tathā tathā tadatthajotikā desanā, yo cettha aviparītāvabodhasaṅkhāto paṭivedho tesaṃ tesaṃ vā

Evampi ekamekasmiṃ ettha catubbidhopi gambhīrabhāvo veditabbo. Ettāvatā ca:-

desanāsāsanakathā- bhedantesu yathārahaṃ