Saṃyutta Nikāya - The Connected Discourses
Connected Discourses with Anuruddha: SN52:4 The Thornbush Grove (1)
1 Ekaṃ samayaṃ āyasmā ca anuruddho āyasmā ca sāriputto āyasmā ca mahāmoggallāno sākete viharanti kaṇḍakīvane. Atha kho āyasmā ca sāriputto āyasmā ca mahāmoggallāno sāyanhasamayaṃ paṭisallānā vuṭṭhitā yenāyasmā anuruddho tenupasankamiṃsu; upasankamitvā āyasmatā anuruddhena saddhiṃ sammodiṃsu. Sammodanīyaṃ kathaṃ sāraṇīyaṃ vītisāretvā ekamantaṃ nisīdiṃsu. Ekamantaṃ nisinno kho āyasmā sāriputto āyasmantaṃ anuruddhaṃ etadavoca: "sekhenāvuso anuruddha, bhikkhunā katame dhammā upasampajja vihātabbā"ti?
2 "Sekhenāvuso sāriputta, bhikkhunā cattāro satipaṭṭhānā upasampajja vihātabbā. Katame cattāro? Idhāvuso, bhikkhu kāye kāyānupassī viharati ātāpī sampajāno satimā, vineyya loke abhijjhādomanassaṃ; vedanāsu … pe … citte … pe … dhammesu dhammānupassī viharati ātāpī sampajāno satimā, vineyya loke abhijjhādomanassaṃ – sekhenāvuso sāriputta, bhikkhunā ime cattāro satipaṭṭhānā upasampajja vihātabbā"ti.
Catutthaṃ.