In Jeremiah 44:28, the remnant's return confirms the sign—God's word will stand, not their idols.

Jeremiah 39:16 says God will fulfill His disaster words before their eyes—exactly the same promise of certain judgment.

In 1 Samuel 2:34, a sign (death of Eli's sons) confirms judgment on his house — the same pattern of a confirming sign for divine punishment.

Isaiah 40:8 declares that God's word stands forever — Jeremiah's sign guarantees that His threats of punishment will be fulfilled.

In Numbers 11:23, God asks if His arm is too short, affirming His word will come true—this echoes the sign of certain punishment here.

In 2 Kings 10:10, it declares no word of the Lord fails—directly paralleling the assurance that these threats will surely stand.

Isaiah 31:2 says God does not take back His words and brings disaster—directly supporting the certainty of threats here.

In 1 Kings 13:3, a sign confirms a prophecy, similar to how this verse presents a sign that God's threats will stand.

Proverbs 19:21 states that God's purpose prevails over human plans — Jeremiah's sign confirms that God's threats of harm will stand.