Saṃyutta Nikāya 1 2. Nandanavagga 16. Niddātandīsutta “Niddā tandī vijambhitā, Aratī bhattasammado; Etena nappakāsati, Ariyamaggo idha pāṇinan”ti. “Niddaṃ tandiṃ vijambhitaṃ, Aratiṃ bhattasammadaṃ;Vīriyena naṃ paṇāmetvā, Ariyamaggo visujjhatī”ti.