Katamañca, bhikkhave, anurakkhaṇāppadhānaṁ? Idha, bhikkhave, bhikkhu uppannānaṁ kusalānaṁ dhammānaṁ ṭhitiyā asammosāya bhiyyobhāvāya vepullāya bhāvanāya pāripūriyā chandaṁ janeti vāyamati vīriyaṁ ārabhati cittaṁ paggaṇhāti padahati. Idaṁ vuccati, bhikkhave, anurakkhaṇāppadhānaṁ. Imāni kho, bhikkhave, cattāri padhānānīti. Saṁvaro ca pahānañca, bhāvanā anurakkhaṇā; Ete padhānā cattāro, desitādiccabandhunā; Yo hi bhikkhu idhātāpī, khayaṁ dukkhassa pāpuṇe”ti. Navamaṁ.
7. Pattakammavagga
Adhammikasutta