Saṃyutta Nikāya - The Connected Discourses
Connected Discourses on the Establishments of Mindfulness: SN47:44 Mindful
1 "Sato, bhikkhave, bhikkhu vihareyya. Ayaṃ vo amhākaṃ anusāsanī. Kathañca, bhikkhave, bhikkhu sato hoti? Idha, bhikkhave, bhikkhu kāye kāyānupassī viharati ātāpī sampajāno satimā, vineyya loke abhijjhādomanassaṃ; vedanāsu … pe … citte … pe … dhammesu dhammānupassī viharati ātāpī sampajāno satimā, vineyya loke abhijjhādomanassaṃ. Evaṃ kho, bhikkhave, bhikkhu sato hoti. Sato, bhikkhave, bhikkhu vihareyya. Ayaṃ vo amhākaṃ anusāsanī"ti.
Catutthaṃ.