Saṃyutta Nikāya - The Connected Discourses
Connected Discourses on the Factors of Enlightenment: SN46:31 Wholesome (1)
1 "Ye keci, bhikkhave, dhammā kusalā kusalabhāgiyā kusalapakkhikā, sabbe te appamādamūlakā appamādasamosaraṇā; appamādo tesaṃ dhammānaṃ aggamakkhāyati. Appamattassetaṃ, bhikkhave, bhikkhuno pāṭikankhaṃ – satta bojjhange bhāvessati, satta bojjhange bahulīkarissati.
2 Kathañca, bhikkhave, bhikkhu appamatto satta bojjhange bhāveti, satta bojjhange bahulīkaroti? Idha, bhikkhave, bhikkhu satisambojjhangaṃ bhāveti vivekanissitaṃ … pe … upekkhāsambojjhangaṃ bhāveti vivekanissitaṃ virāganissitaṃ nirodhanissitaṃ vossaggapariṇāmiṃ. Evaṃ kho, bhikkhave, bhikkhu appamatto satta bojjhange bhāveti, satta bojjhange bahulīkarotī"ti.
Paṭhamaṃ.