Isaiah 65:17
17 For, behold, I create new heavens and a new earth: and the former shall not be remembered, nor comee into mind.
behold
Verse 17 (Isaiah 65:17) looks beyond the kingdom-age to the new heavens and the new earth (see refs. At "create"), but verses 18-25 (Isaiah 65:18) describe the kingdom-age itself. Longevity is restored, but death, the "last enemy" (1 Corinthians 15:26) is not destroyed till after Satan's rebellion at the end of the thousand years. (Revelation 20:7).