Mahāpadesasutta
Ekaṁ samayaṁ bhagavā bhoganagare viharati ānandacetiye. Tatra kho bhagavā bhikkhū āmantesi: “bhikkhavo”ti. “Bhadante”ti te bhikkhū bhagavato paccassosuṁ. Bhagavā etadavoca: “cattārome, bhikkhave, mahāpadese desessāmi, taṁ suṇātha, sādhukaṁ manasi karotha, bhāsissāmī”ti. “Evaṁ, bhante”ti kho te bhikkhū bhagavato paccassosuṁ. Bhagavā etadavoca:
The Four Great References
At one time the Buddha was staying near the Bhoga City, at the Ānanda Shrine. There the Buddha addressed the mendicants, “Mendicants!” “Venerable sir,” they replied. The Buddha said this: “Mendicants, I will teach you the four great references. Listen and apply your mind well, I will speak.” “Yes, sir,” they replied. The Buddha said this: