'Eternal' in the Bible

For our light affliction, which is for the moment, works for us more and more exceedingly an eternal weight of glory;

while we don't look at the things which are seen, but at the things which are not seen. For the things which are seen are temporal, but the things which are not seen are eternal.

For we know that if the earthly house of our tent is dissolved, we have a building from God, a house not made with hands, eternal, in the heavens.