Tattha yathā brāhmaṇassa kasiyā mūlabhūtaṃ bījaṃ dve kiccāni karoti, heṭṭhā mūlena patiṭṭhāti, upari aṅkuraṃ uṭṭhāpeti, evaṃ bhagavato kasiyā mūlabhūtā saddhā heṭṭhā sīlamūlena patiṭṭhāti, upari samathavipassanaṅkuraṃ uṭṭhāpeti. Yathā ca taṃ mūlena paṭhavīrasaṃ āporasaṃ gahetvā nāḷena dhaññaparipākagahaṇatthaṃ vaḍḍhati, evamayaṃ sīlamūlena samathavipassanārasaṃ gahetvā ariyamagganāḷena ariyaphaladhaññaparipākagahaṇatthaṃ vaḍḍhati. Yathā ca taṃ subhūmiyaṃ patiṭṭhahitvā mūlaṅkurapaṇṇanāḷakaṇḍapasavehi vuḍḍhiṃ viruḷhiṃ vepullaṃ patvā khīraṃ janetvā anekasāliphalabharitaṃ sālisīsaṃ nipphādeti, evamesā cittasantāne patiṭṭhahitvā chahi visuddhīhi vuḍḍhiṃ viruḷhiṃ vepullaṃ patvā ñāṇadassanavisuddhikhīraṃ janetvā anekapaṭisambhidāñāṇabharitaṃ arahattaphalaṃ nipphādeti. Tena vuttaṃ "saddhā bījan"ti.

Kasmā pana aññesu paropaññāsāya kusaladhammesu ekato uppajjamānesu saddhāva "bījan"ti vuttāti ce? bījakiccakaraṇato. Yathā hi tesu viññāṇaṃyeva vijānanakiccaṃ karoti, evaṃ saddhā bījakiccaṃ. Sā ca sabbakusalānaṃ mūlabhūtā. Yathāha "saddhājāto upasaṅkamati, upasaṅkamanto payirupāsati .pe. Paññāya ca naṃ ativijjha passatī"ti.

Akusaladhamme ceva kāyañca tapatīti taPo. Indriyasaṃvaraviriyadhutaṅgadukkarakārikānaṃ etaṃ adhivacanaṃ, idha pana indriyasaṃvaro adhippeto. Vuṭṭhīti vassavuṭṭhi vātavuṭṭhītiādi anekavidhā, idha vassavuṭṭhi adhippetā. Yathā hi brāhmaṇassa vassavuṭṭhisamanuggahitaṃ bījaṃ bījamūlakaṃ ca sassaṃ viruhati na milāyati nipphattiṃ gacchati, evaṃ bhagavato indriyasaṃvarasamanuggahitā saddhā saddhāmūlā ca sīlādayo dhammā viruhanti na milāyanti nipphattiṃ gacchanti. Tenāha "tapo vuṭṭhī"ti.