Paṭiccasamuppādassa mūlakāraṇadassanatthamettha dvayaṃ dvidhā vuttaṃ. Visesena hi sammohassa balavabhāvato avijjākhettaṃ atīto addhā, patthanāya balavabhāvato taṇhākhettaṃ anāgato addhā. Tathā hi bālajano sammohabahulo atītamanusocati, tassa avijjāpaccayā saṅkhārāti sabbaṃ netabbaṃ. Patthanābahulo anāgataṃ pajappati,

@3 ka. anatthajananahetudvayassa dassanatthaṃpi Tassa taṇhāpaccayā upādānantiādi sabbaṃ netabbaṃ. Teneva tāsaṃ pubbantāharaṇena aparantapaṭisandhānena cassa yathākkamaṃ mūlakāraṇatā dassitāti veditabbanti.

Gāthāsu taṇhādutiyoti taṇhāsahāyo. Taṇhā hi nirudakakantāre marīcikāya udakasaññā viya pipāsābhibhūtaṃ appaṭikāradukkhābhibhūtampi sattaṃ assādasandassanavasena sahāyakiccaṃ karontī bhavādīsu anibbindaṃ katvā paribbhamāpeti, tasmā taṇhā purisassa "dutiyā"ti vuttā. Nanu ca aññepi kilesādayo bhavābhinibbattiyā paccayāva? saccametaṃ, na pana tathā visesapaccayo yathā taṇhā. Tathā hi kusalehi vinā akusalehi, kāmāvacarādikusalehi ca vinā rūpāvacarādikusalehi bhavanibbattiyā visesapaccayo, yato samudayasaccanti vuccatīti. Itthabhāvaññathābhāvanti itthabhāvo ca aññathābhāvo ca itthabhāvaññathābhāvo, so etassa atthīti itthabhāvaññathābhāvo, saṃsāro, taṃ. Tattha itthabhāvo manussattaṃ, aññathābhāvo tato avasiṭṭhasattāvāsā. Itthabhāvo vā tesaṃ tesaṃ sattānaṃ paccuppanno attabhāvo, aññathābhāvo anāgatattabhāvo. Evarūpo vā aññopi attabhāvo itthabhāvo, na evarūpo aññathābhāvo. Taṃ itthabhāvaññathābhāvaṃ saṃsāraṃ khandhadhātuāyatanapaṭipāṭiṃ nātivattati na atikkamati.