Isaiah 34:8
For it is the day of the LORD'S vengeance, and the year of recompences for the controversy of Zion.

Isaiah 61:2
To proclaim the acceptable year of the LORD, and the day of vengeance of our God; to comfort all that mourn;

Jeremiah 51:6
Flee out of the midst of Babylon, and deliver every man his soul: be not cut off in her iniquity; for this is the time of the LORD'S vengeance; he will render unto her a recompence.

all.

Leviticus 26:14-33
But if ye will not hearken unto me, and will not do all these commandments; …

Deuteronomy 28:15-68
But it shall come to pass, if thou wilt not hearken unto the voice of the LORD thy God, to observe to do all his commandments and his statutes which I command thee this day; that all these curses shall come upon thee, and overtake thee: …

Deuteronomy 29:19-28
And it come to pass, when he heareth the words of this curse, that he bless himself in his heart, saying, I shall have peace, though I walk in the imagination of mine heart, to add drunkenness to thirst: …

to fulfill all that is written
This phrase indicates that the events Jesus is describing are in accordance with prophecies found in the Hebrew Scriptures. The destruction of Jerusalem and the subsequent suffering of its people were foretold by prophets such as Daniel (Daniel 9:26) and Zechariah (Zechariah 14:1-2). The fulfillment of these prophecies serves to validate the reliability of Scripture and the sovereignty of God in history. It also points to the broader theme of God's redemptive plan, which includes both judgment and salvation. The phrase emphasizes that God's word is trustworthy and that His purposes will be accomplished.

• Jesus sets up the reason behind the coming catastrophe. Earlier in the discourse He warned, “When you see Jerusalem surrounded by armies, you will know that her desolation is near” (Luke 21:20). The word “for” links that warning to God’s purpose—He is not acting randomly.

• Throughout Scripture, God explains what He will do before He does it (Amos 3:7). The conjunction reassures us that history is unfolding under His deliberate, revealed plan.

• Jesus identifies a specific, recognizable season. Within one generation, His words came true when Roman legions besieged Jerusalem in A.D. 70 (compare Luke 21:32 with Matthew 24:34).

• Days, not just a single moment, highlights an extended period of distress—mirroring Jeremiah’s description of “the time of Jacob’s trouble” (Jeremiah 30:7).

• The phrase reminds believers that God’s timeline is precise; what He appoints as “days” will neither be shortened nor prolonged beyond His intent (Ecclesiastes 3:1).

• Vengeance belongs to God alone (Deuteronomy 32:35; Romans 12:19). Here, it is His righteous response to covenant rejection, idolatry, and the ultimate refusal of His Son (Luke 19:41-44).

• This is not capricious anger but justice that had been patiently withheld. Isaiah 34:8 affirms, “For it is the day of the LORD’s vengeance, the year of recompense for Zion’s cause”.

• By calling it vengeance, Jesus underscores both severity and legitimacy; sin will either be judged at the cross or in history, but it will never be ignored.

• God’s actions always move toward fulfillment of His Word. Joshua 23:14 testifies, “Not one word…has failed; all have been fulfilled for you”.

• The siege and destruction of Jerusalem satisfied specific prophecies:

– Daniel 9:26 warned, “The people of the prince who is to come will destroy the city and the sanctuary.”

– Micah 3:12 predicted, “Zion will be plowed like a field.”

• Fulfillment assures us that every remaining promise—whether of future judgment or future glory—will likewise be kept (2 Peter 3:10-13).

• Nothing God inspired is expendable. From Genesis to Malachi, every prophetic line concerning judgment on covenant breakers had to come to pass (Luke 24:44).

• The completeness—“all”—guards believers from selective reading. Just as the harsh prophecies were literal, so are the comforting ones of restoration (Isaiah 40:1-5).

• It also verifies the inerrancy of Scripture; the unfolding events of A.D. 70 became a historical marker demonstrating that Scripture speaks true, down to its smallest details (Matthew 5:18).

Luke 21:22 explains that the horrifying fall of Jerusalem was no accident but God’s predetermined, righteous response to persistent rebellion, carried out exactly as the prophets foretold. In four concise phrases, Jesus declares that these specific days were set apart for divine vengeance, executed to satisfy every jot and tittle of written prophecy. The verse underscores God’s justice, faithfulness, and absolute reliability, reminding us that His Word never fails and His purposes will always be fulfilled in history.

Parallel Commentaries ...