Saṃyutta Nikāya - The Connected Discourses
Connected Discourses on the Six Sense Bases: SN35:213-215 What Is Impermanent of the Past, Etc.
1 "Rūpā, bhikkhave, aniccā atītā anāgatā paccuppannā. Yadaniccaṃ, taṃ dukkhaṃ. Yaṃ dukkhaṃ, tadanattā. Yadanattā, taṃ ‘netaṃ mama, nesohamasmi, na meso attā’ti evametaṃ yathābhūtaṃ sammappaññāya daṭṭhabbaṃ. Saddā … gandhā … rasā … phoṭṭhabbā … dhammā aniccā atītā anāgatā paccuppannā. Yadaniccaṃ taṃ dukkhaṃ. Yaṃ dukkhaṃ tadanattā. Yadanattā taṃ ‘netaṃ mama, nesohamasmi, na meso attā’ti evametaṃ yathābhūtaṃ sammappaññāya daṭṭhabbaṃ. Evaṃ passaṃ … pe … nāparaṃ itthattāyāti pajānātī"ti.