Isaiah 25:12
And the fortress of the high fort of thy walls shall he bring down, lay low, and bring to the ground, even to the dust.
Cross-reference
Isaiah 25:2 already described God making fortified cities a ruin—this verse repeats the theme with walls specifically.
Isaiah 13:19-22 describes Babylon's permanent desolation—the same fate as the high walls here, both under God's judgment.
Isaiah 14:23 continues Babylon's judgment with sweeping destruction—parallel to the walls being brought to dust.
Isaiah 26:5 uses nearly identical wording: 'bring down, lay low, to the ground, even to the dust' — a direct verbal parallel to this fortress-destruction imagery.
In 2 Corinthians 10:4, Paul uses the same 'destroy strongholds' imagery for spiritual warfare—God's power demolishes proud fortifications of the mind.
In 2 Corinthians 10:5, every lofty argument raised against God is brought down, mirroring the humbling of high walls here.
In Revelation 18:21, Babylon is thrown down violently—a direct parallel to God casting down high fortifications in judgment.
Joshua 6:5 records Jericho's walls falling at God's command—a type of the ultimate humbling of all proud strongholds.
Lamentations 2:2 describes God breaking down strongholds and bringing them to the ground—a historical fulfillment of this judgment pattern.
Jeremiah 51:58 prophesies Babylon's walls broken and high gates burned, echoing the destruction of high fortresses described here.
In Micah 1:6, God makes Samaria a heap — same imagery of divine judgment bringing down strongholds to ruin.