ديغا نيكايا 1:1167
SUJATOtaṁ kutettha, ānanda, labbhā. Yaṁ taṁ jātaṁ bhūtaṁ saṅkhataṁ palokadhammaṁ, ‘taṁ vata tathāgatassāpi sarīraṁ mā palujjī’ti netaṁ ṭhānaṁ vijjati.
How could it possibly be so that what is born, created, conditioned, and liable to wear out should not wear out, even the Realized One’s body?