Beware therefore, lest that come on you, which is spoken of in the prophets;
Beware.
Malachi 3:2 But who may abide the day of his coming? and who shall stand when he appeareth? for he is like a refiner's fire, and like fullers' soap:
Malachi 4:1 For, behold, the day cometh, that shall burn as an oven; and all the proud, yea, and all that do wickedly, shall be stubble: and the day that cometh shall burn them up, saith the LORD of hosts, that it shall leave them neither root nor branch.
Matthew 3:9-12 And think not to say within yourselves, We have Abraham to our father: for I say unto you, that God is able of these stones to raise up children unto Abraham…
which.
Isaiah 29:14 Therefore, behold, I will proceed to do a marvellous work among this people, even a marvellous work and a wonder: for the wisdom of their wise men shall perish, and the understanding of their prudent men shall be hid.
Habakkuk 1:5 Behold ye among the heathen, and regard, and wonder marvellously: for I will work a work in your days, which ye will not believe, though it be told you.
that what was spoken by the prophets
Paul refers to the Old Testament prophets, whose messages were often warnings to the people of Israel about the consequences of disobedience and unbelief. This phrase underscores the continuity between the Old and New Testaments, highlighting that the message of Jesus is a fulfillment of prophetic words. The prophets, such as Isaiah and Jeremiah, frequently warned of judgment for those who turned away from God.
does not happen to you:
This part of the verse is a direct appeal to the audience to heed the warning and avoid the fate that befell those who ignored the prophets. It implies a personal responsibility to respond to God's message. Historically, the Jewish people faced numerous consequences for not heeding prophetic warnings, such as the Babylonian exile. In the New Testament context, this serves as a caution against rejecting the gospel of Jesus Christ, which is seen as the ultimate fulfillment of prophetic revelation.
Paul has just announced, “Therefore let it be known to you, brothers, that through Jesus the forgiveness of sins is proclaimed to you” (Acts 13:38). In that light he immediately adds, “Watch out.”
• A straight-forward caution: take the gospel seriously (Hebrews 2:1-3; 12:25).
• A call to stay alert, like Jesus’ own warning, “But keep watch at all times” (Luke 21:36).
• A reminder that assuming we stand secure can be dangerous: “So the one who thinks he is standing firm should be careful not to fall” (1 Corinthians 10:12).
The little word ties the warning to everything Paul has just preached.
• Because the truth has now been heard, accountability follows (Romans 1:20).
• The offer of justification “from everything you could not be justified from by the Law of Moses” (Acts 13:39) leaves the hearer without excuse (John 15:22).
Paul bases his warning on Scripture, specifically Habakkuk 1:5.
• The prophets spoke with divine authority; their words remain active (2 Peter 1:19; Acts 3:22-23).
• Habakkuk foretold a shocking act of judgment; Paul applies that same pattern to any who scoff at God’s present work in Christ (Isaiah 29:14; Luke 24:25).
• By grounding his appeal in the prophets, Paul shows the gospel fulfills—not contradicts—God’s prior revelation (Acts 26:22).
The danger is personal and avoidable.
• The judgment Habakkuk warned about fell on unbelieving Judah; unbelief today invites a like outcome (1 Corinthians 10:11; Hebrews 3:12).
• “Unless you repent, you too will all perish” (Luke 13:3) echoes the same theme.
• Those who receive the message enjoy life and forgiveness (John 3:18; 1 Thessalonians 5:9); those who reject face the solemn prospect of “eternal destruction” (2 Thessalonians 1:8-9).
Acts 13:40 is Paul’s urgent signal: the gracious offer of salvation demands a response. Having heard the gospel, listeners must stay spiritually alert, remember the authority of the prophets, and believe so that the foretold judgment never becomes their story.
(40) Which is spoken of in the prophets.--This formula of citation seems to have been common, as in Acts 7:42, in the case of quotations from the Minor Prophets, which were regarded, as it were, as a single volume with this title.Verse 40. - Spoken for spoken of, A.V.