Ayoguḷasutta
Sāvatthinidānaṁ. Atha kho āyasmā ānando yena bhagavā tenupasaṅkami; upasaṅkamitvā bhagavantaṁ abhivādetvā ekamantaṁ nisīdi. Ekamantaṁ nisinno kho āyasmā ānando bhagavantaṁ etadavoca: “abhijānāti nu kho, bhante, bhagavā iddhiyā manomayena kāyena brahmalokaṁ upasaṅkamitā”ti? “Abhijānāmi khvāhaṁ, ānanda, iddhiyā manomayena kāyena brahmalokaṁ upasaṅkamitā”ti. “Abhijānāti pana, bhante, bhagavā iminā cātumahābhūtikena kāyena iddhiyā brahmalokaṁ upasaṅkamitā”ti? “Abhijānāmi khvāhaṁ, ānanda, iminā cātumahābhūtikena kāyena iddhiyā brahmalokaṁ upasaṅkamitā”ti.
The Iron Ball
At Sāvatthī. Then Venerable Ānanda went up to the Buddha, bowed, sat down to one side, and said to him: “Sir, do you have personal experience of having gone to the realm of divinity by psychic power with a mind-made body?” “I do, Ānanda.” “But do you have personal experience of having gone to the realm of divinity by psychic power with this body made up of the four principal states?” “I do, Ānanda.”