1-12.
Gaṅgānadīādisuttaṃ
258-269. ‘‘Seyyathāpi, bhikkhave, gaṅgā nadī pācīnaninnā pācīnapoṇā pācīnapabbhārā; evameva kho, bhikkhave, bhikkhu satta bojjhaṅge bhāvento satta bojjhaṅge bahulīkaronto nibbānaninno hoti nibbānapoṇo nibbānapabbhāro. Kathañca, bhikkhave, bhikkhu satta bojjhaṅge bhāvento satta bojjhaṅge bahulīkaronto nibbānaninno hoti nibbānapoṇo nibbānapabbhāro? Idha, bhikkhave, bhikkhu satisambojjhaṅgaṃ bhāveti...pe... upekkhāsambojjhaṅgaṃ bhāveti vivekanissitaṃ virāganissitaṃ nirodhanissitaṃ vossaggapariṇāmiṃ...pe... evaṃ kho, bhikkhave, bhikkhu satta bojjhaṅge bhāvento satta bojjhaṅge bahulīkaronto nibbānaninno hoti nibbānapoṇo nibbānapabbhāro’’ti..