Verse

Mark 13:23

ESV But be on guard; I have told you all things beforehand.
NIV So be on your guard; I have told you everything ahead of time.
NASB But beware; I have told you everything in advance.
CSB And you must watch! I have told you everything in advance.
NLT Watch out! I have warned you about this ahead of time!
KJV But take ye heed: behold, I have foretold you all things.
NKJV But take heed; see, I have told you all things beforehand.

What does Mark 13:23 mean?

This is the overall theme of Mark chapter 13. Hard things will happen. False teachers with supernatural powers will convince people they are Jesus returned. Wars (Mark 13:7), natural disasters (Mark 13:8), persecution (Mark 13:9), and betrayal (Mark 13:12) will decimate the human population and nearly destroy the earth. We must remember that Jesus warned us, and these are things we should expect.

Jesus explains that just as we can tell the changing of the seasons from the growth cycle of a tree, we should remember His words and be prepared (Mark 13:28–31). James 1:5 promises that if we lack wisdom, we only need to pray. We start with the Bible (2 Timothy 3:16–17) and rely on the Holy Spirit, the Spirit of truth (John 14:16–17). Obedience is integral to the process; if we trust and love Jesus, we will obey Him (John 14:15).

No one knows when the end times will come (Acts 1:6–7). The beginning—the rapture—is imminent, which means nothing needs to happen before Jesus comes to take His followers from the earth. It is the height of foolishness, then, to claim that numerology or ancient pagan mythology or even new revelation will reveal the date to us. It is also foolishness to declare that wars or natural disasters mean the end is near when Jesus specifically states that "these are but the beginning of the birth pains" (Mark 13:8).

We are to be alert (Mark 13:35) but not obsess about dates. We are to spread the gospel (Matthew 28:19–20), not hide from the dangers of the world. And we are to read the Bible so we know the truth and aren't deceived by false teachers. If we do this, we can be sure that we are prepared.
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Context Summary
Mark 13:14–23 describes Peter, James, John, and Andrew asking Jesus for the signs that the temple will be destroyed and He will return to establish His kingdom (Matthew 24:3). Jesus has explained that wars, natural disasters, false teaching, and persecution will increase (Mark 13:5–13). Now He speaks of the second half of the end-times tribulation. It will start with the Antichrist erecting the abomination of desolation in the temple and end right before war and natural and supernatural disasters would cause worldwide extinction. Matthew talks a bit more about false prophets in Matthew 24:15–28 while Luke gives a shortened version in Luke 21:20–24.
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Chapter Context
Days before the crucifixion, the disciples praise the glory of the temple. When Jesus tells them the temple will be destroyed, they ask for signs of that coming destruction and of His return (Matthew 24:3). Jesus answers their second question with information crucial for believers in the end times, and any time. Tribulation Christians will face horrifying hardships and violence, as may believers of any era, but they must remember that the hardships will not last. Jesus will return so quickly, any attempt to live by the world's rules will be futile.
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What is the Gospel?
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