Why will there be walls around the new Jerusalem?

Why will there be walls around the new Jerusalem?

The walls of the New Jerusalem showcase God's glory, holiness, and victory over sin. While they are not needed as protection from evil, they serve as a reminder of God’s purity and the eternal safety of this eternal home for believers.

Why will God not give His glory to another (Isaiah 42:8)?

Why will God not give His glory to another (Isaiah 42:8)?

God will not give His glory to another because He alone is the eternal, uncreated Creator who is infinitely above all else. To share His glory would be to deny His uniqueness and perfection, exalting something created as if it were greater than the Creator.