If something is not eternal, is it really valuable?

Sermon Scripture

2Peter 3:10-11
¹⁰ But the day of the Lord will come like a thief, in which the heavens will pass away with a roar and the elements will be destroyed with intense heat, and the earth and its works will be discovered.

¹¹ Since all these things are to be destroyed in this way, what sort of people ought you to be in holy conduct and godliness,

Supporting Scriptures