'Age abiding' in the Bible

For, the momentary lightness of thee tribulation, in a manner yet more and more excelling, is working out for us, an age-abiding weight of glory, -

So long as we are not looking out for the visible things, but for the invisible; for, the visible things, are temporary, whereas, the invisible, are age-abiding.

For we know that - -if, our earthly tent-dwelling, should be taken down, we have, a building of God, a dwelling not made by hand, age-abiding in the heavens.