Saṃyutta Nikāya 15
2. Dutiyavagga
12. Sukhitasutta
Sāvatthiyaṃ viharati. “Anamataggoyaṃ, bhikkhave, saṃsāro … pe … yaṃ, bhikkhave, passeyyātha sukhitaṃ susajjitaṃ, niṭṭhamettha gantabbaṃ: ‘amhehipi evarūpaṃ paccanubhūtaṃ iminā dīghena addhunā’ti. Taṃ kissa hetu? Anamataggoyaṃ, bhikkhave, saṃsāro. Pubbā koṭi na paññāyati … pe … alaṃ vimuccitun”ti.
Dutiyaṃ.