Saṃyutta Nikāya - The Connected Discourses
Connected Discourses with Similes: SN20:1 The Roof Peak
1 Evaṃ me sutaṃ— ekaṃ samayaṃ bhagavā sāvatthiyaṃ viharati jetavane anāthapiṇḍikassa ārāme. Tatra kho bhagavā … pe … etadavoca: "seyyathāpi, bhikkhave, kūṭāgārassa yā kāci gopānasiyo sabbā tā kūṭangamā kūṭasamosaraṇā kūṭasamugghātā sabbā tā samugghātaṃ gacchanti; evameva kho, bhikkhave, ye keci akusalā dhammā sabbe te avijjāmūlakā avijjāsamosaraṇā avijjāsamugghātā, sabbe te samugghātaṃ gacchanti. Tasmātiha, bhikkhave, evaṃ sikkhitabbaṃ: ‘appamattā viharissāmā’ti. Evañhi vo, bhikkhave, sikkhitabban"ti.
Paṭhamaṃ.