3 Bible Verses about Life Being Temporary

While we aim not at the things that are seen, but the things that are not seen: for the things that are seen are temporal, but the things that are not seen are eternal.

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

Yea I think it right, so long as I am in this tabernacle to stir you up by reminding you: Knowing that shortly I must put off my tabernacle, even as the Lord Jesus Christ shewed me.