In Zechariah 1:6, the people acknowledge that God's purposed judgment overtook them — confirming the same principle of unrelenting divine purpose here.

2 Chronicles 36:16 describes the mocking of prophets that provoked God's wrath — providing the historical background for the fathers' provocation mentioned here.

In Isaiah 14:24, the Lord swears 'as I have purposed, so shall it stand' — a very close verbal and thematic parallel to God's unchangeable purpose here.

In Jeremiah 4:28, God also declares He will not relent from purposed disaster — same unchangeable judgment as Zechariah 8:14.

Jeremiah 15:1-6 shows God refusing to relent even with Moses and Samuel interceding — reinforcing the certainty of the judgment in Zechariah 8:14.

In Jeremiah 31:28, God says as He watched to harm, so He will watch to build — mirroring the shift from judgment to restoration hinted at here.

In Ezekiel 24:14, God says 'I will not relent' — a direct verbal parallel to Zechariah 8:14's 'I did not relent' in judgment.

Jeremiah 23:20 says God's anger will not turn back until His purposes are accomplished — matching the unrelenting judgment of Zechariah 8:14.

Jeremiah 29:11 reveals God's plans for welfare and hope — the positive counterpart to the judgment in Zechariah 8:14, pointing to future restoration.

Jeremiah 32:42 explicitly parallels Zechariah 8:14: as God brought disaster, so He will bring good — a near-identical statement of divine purpose.

Exodus 32:12 records Moses asking God to relent — contrasting with Zechariah 8:14 where God did not relent when the fathers provoked Him.

Numbers 14:11 describes Israel's unbelief that provoked God — giving a specific example of the 'fathers' provoking wrath in Zechariah 8:14.