Saṃyutta Nikāya 46
4. Nīvaraṇavagga
31. Paṭhamakusalasutta
“Ye keci, bhikkhave, dhammā kusalā kusalabhāgiyā kusalapakkhikā, sabbe te appamādamūlakā appamādasamosaraṇā; appamādo tesaṃ dhammānaṃ aggamakkhāyati. Appamattassetaṃ, bhikkhave, bhikkhuno pāṭikaṅkhaṃ—satta bojjhaṅge bhāvessati, satta bojjhaṅge bahulīkarissati.
Kathañca, bhikkhave, bhikkhu appamatto satta bojjhaṅge bhāveti, satta bojjhaṅge bahulīkaroti? Idha, bhikkhave, bhikkhu satisambojjhaṅgaṃ bhāveti vivekanissitaṃ … pe … upekkhāsambojjhaṅgaṃ bhāveti vivekanissitaṃ virāganissitaṃ nirodhanissitaṃ vossaggapariṇāmiṃ. Evaṃ kho, bhikkhave, bhikkhu appamatto satta bojjhaṅge bhāveti, satta bojjhaṅge bahulīkarotī”ti.
Paṭhamaṃ.