Saṃyutta Nikāya - The Connected Discourses
Connected Discourses on the Truths: SN56:28 The World
1 "Cattārimāni, bhikkhave, ariyasaccāni. Katamāni cattāri? Dukkhaṃ ariyasaccaṃ, dukkhasamudayaṃ ariyasaccaṃ, dukkhanirodhaṃ ariyasaccaṃ, dukkhanirodhagāminī paṭipadā ariyasaccaṃ. Sadevake loke samārake sabrahmake sassamaṇabrāhmaṇiyā pajāya sadevamanussāya tathāgato ariyo; tasmā ‘ariyasaccānī’ti vuccanti.
2 Tasmātiha, bhikkhave, ‘idaṃ dukkhan’ti yogo karaṇīyo … pe … ‘ayaṃ dukkhanirodhagāminī paṭipadā’ti yogo karaṇīyo"ti.
Aṭṭhamaṃ.