SN.22.147/(12). Aniccānupassīsuttaṃ
147. Sāvatthinidānaṃ. “Saddhāpabbajitassa, bhikkhave, kulaputtassa ayamanudhammo hoti– yaṃ rūpe aniccānupassī vihareyya. Vedanāya… saññāya… saṅkhāresu… viññāṇe aniccānupassī vihareyya …pe… ‘parimuccati dukkhasmā’ti vadāmī”ti. Dvādasamaṃ.