Gaṅgāsutta
Rājagahe viharati veḷuvane. Atha kho aññataro brāhmaṇo yena bhagavā tenupasaṅkami; upasaṅkamitvā bhagavatā saddhiṁ sammodi. Sammodanīyaṁ kathaṁ sāraṇīyaṁ vītisāretvā ekamantaṁ nisīdi. Ekamantaṁ nisinno kho so brāhmaṇo bhagavantaṁ etadavoca: “kīvabahukā nu kho, bho gotama, kappā abbhatītā atikkantā”ti? “Bahukā kho, brāhmaṇa, kappā abbhatītā atikkantā. Te na sukarā saṅkhātuṁ: ‘ettakā kappā iti vā, ettakāni kappasatāni iti vā, ettakāni kappasahassāni iti vā, ettakāni kappasatasahassāni iti vā’”ti.
The Ganges
Near Rājagaha, in the Bamboo Grove. Then a certain brahmin went up to the Buddha, and exchanged greetings with him. When the greetings and polite conversation were over, he sat down to one side and asked the Buddha, “Worthy Gotama, how many eons have passed?” “Brahmin, many eons have passed. It’s not easy to calculate how many eons have passed, how many hundreds or thousands or hundreds of thousands of eons.”