Deuteronomy 28:34

So that thou shalt be mad for the sight of thine eyes which thou shalt see.

Cross-reference

Deuteronomy 28:28 lists madness as a curse; here the same madness results from seeing terrifying sights.

Deuteronomy 28:67 echoes the same 'sight of your eyes' phrase, describing the dread causing longing for day or night.

Jeremiah 25:16 says they will 'stagger and be crazed'—directly paralleling the madness caused by terrible sights here.

2 Kings 25:7 Prophetic fulfillment

2 Kings 25:7 shows Zedekiah seeing his sons killed then blinded — a direct historical fulfillment of the curse that drives mad from what one sees.

Jeremiah 39:6 Prophetic fulfillment

Jeremiah 39:6 records Zedekiah witnessing his sons' execution — another account of the curse's fulfillment in seeing horrors.

Jeremiah 52:10 Prophetic fulfillment

Jeremiah 52:10 repeats Zedekiah's sons killed before his eyes — same event confirming the curse made real.