Digha Nikaya 1:678
SUJATO‘yassa kassaci, ānanda, cattāro iddhipādā bhāvitā bahulīkatā yānīkatā vatthukatā anuṭṭhitā paricitā susamāraddhā, so ākaṅkhamāno kappaṁ vā tiṭṭheyya kappāvasesaṁ vā.
‘Whoever has developed and cultivated the four bases of psychic power—made them a vehicle and a basis, kept them up, consolidated them, and properly implemented them—may, if they wish, live for the proper lifespan or what’s left of it.