3 Bible Verses about Life Being Temporary

while we look not at the things which are seen, but at the things which are unseen; for the things which are seen are temporary, but the things which are unseen are eternal.

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

I think it right, as long as I am in this body, to stir you up by way of reminder, since I know that the putting aside of my body will be soon, as our Lord Jesus Christ has made clear to me.