Isaiah 36:15
Neither let Hezekiah make you trust in the Lord, saying, The Lord will surely deliver us: this city shall not be delivered into the hand of the king of Assyria.
Cross-reference
Isaiah 36:7 gives the reason behind Rabshakeh's warning: Hezekiah removed altars, so trust in the LORD is supposedly misplaced.
In Isaiah 36:18, the Rabshakeh continues by citing other gods' failures, reinforcing the argument that the LORD cannot deliver.
In Isaiah 37:23, God declares the Rabshakeh's words blasphemy against the Holy One of Israel, revealing the offense behind the taunt.
In Isaiah 37:24, the Assyrian king's boast expands on the arrogance behind the taunt that the LORD cannot deliver.
In Isaiah 37:10, the Assyrian king reiterates the taunt to Hezekiah, emphasizing the persistent challenge to God's deliverance.
Isaiah 37:38 records Sennacherib's assassination—directly disproving his boast that the LORD could not deliver Jerusalem.
Psalm 22:8 contains the exact taunt 'He trusted in the LORD; let him deliver him'—mirroring the Rabshakeh's challenge.
Matthew 27:43 shows the same taunt aimed at Jesus on the cross, fulfilling the pattern of mocking the one who trusts God.
1 Samuel 17:36 has David defying Goliath's insult to God's armies—the Rabshakeh similarly defies the living God.
Psalm 71:10-11 has enemies saying God has forsaken the sufferer—similar to the Rabshakeh's claim that the LORD will not deliver.