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What Makes a Teaching False

Three marks, all of them touching the gospel or the Person, and what Scripture says is not a dividing line at all

If you take seriously that the church has split every time somebody hardened a tension into a rule, you are left with an obvious problem. Does anything count as false teaching, or is everything a matter of emphasis? Paul plainly thought some things were false and said so in the hardest language he ever used. So where is the line, and who gets to draw it?

Scripture answers, and the answer is narrower than most of us would draw it.

Three marks, and all of them are about the gospel or the Person

The first is the sharpest thing Paul ever wrote:

Galatians 1:8-9 · KJV

But though we, or an angel from heaven, preach any other gospel unto you than that which we have preached unto you, let him be accursed. As we said before, so say I now again, If any man preach any other gospel unto you than that ye have received, let him be accursed.

Note what he does not say. Not another emphasis, not another opinion about the end times, not another view of church government. Another gospel. A different message about what God has done. And note the word received, which is the same word he uses when he hands on the four clauses he himself was given: Christ died, was buried, rose, was seen. That is the proclamation, and that is what the anathema is guarding.

The second mark is about the Person, and John states it as a test you can actually run:

1 John 4:2-3 · KJV

Hereby know ye the Spirit of God: Every spirit that confesseth that Jesus Christ is come in the flesh is of God: And every spirit that confesseth not that Jesus Christ is come in the flesh is not of God: and this is that spirit of antichrist.

Peter puts the same mark in one clause when he describes false teachers: they are “even denying the Lord that bought them” (2 Peter 2:1). And John again, in his second letter, ties it to whose teaching it is: “Whosoever transgresseth, and abideth not in the doctrine of Christ, hath not God” (2 John 9). The Greek is tēs didachēs tou Christou, the teaching of Christ. The possessive is doing the work, as it does everywhere else this question comes up.

The third is where grace turns into its own opposite:

Jude 4 · KJV

For there are certain men crept in unawares, who were before of old ordained to this condemnation, ungodly men, turning the grace of our God into lasciviousness, and denying the only Lord God, and our Lord Jesus Christ.

Read the whole verse, because the second half is what makes it a mark. It is not that they made too much of grace. It is that when grace became permission, the Lord quietly went out of the room. That is why this belongs with the other two and not with ordinary error: a gospel with no Lord in it is a different gospel.

And Scripture is just as plain about what is not a line

This is the half that gets skipped, and it is not a footnote. Paul gives explicit instructions for believers who disagree, and they are not the instructions of a man drawing boundaries.

Romans 14:1, 4-5 · KJV

Him that is weak in the faith receive ye, but not to doubtful disputations… Who art thou that judgest another man's servant? to his own master he standeth or falleth. Yea, he shall be holden up: for God is able to make him stand… One man esteemeth one day above another: another esteemeth every day alike. Let every man be fully persuaded in his own mind.

These were not small matters to the people arguing them. Food offered to idols and the keeping of holy days were live, painful disputes in the first-century church. Paul's ruling is that both sides are answerable to a Master who is not you, and that God is able to make him stand, which is a sentence worth sitting with if you have ever assumed a brother's error would finish him.

Then, to the Philippians, the verse to hang on the wall:

Philippians 3:15 · KJV

Let us therefore, as many as be perfect, be thus minded: and if in any thing ye be otherwise minded, God shall reveal even this unto you.

Paul's instruction for disagreement among mature believers is to let God sort it out. Not to argue harder. Not to separate. To keep walking, trusting that God will show them, and get on with it.

The apostles ran their own council that way. Facing the first real doctrinal fight the church ever had, they concluded: “it seemed good to the Holy Ghost, and to us, to lay upon you no greater burden than these necessary things” (Acts 15:28). No greater burden. That is the apostolic instinct, and it is worked out further on Every Line Drawn Is Another Division.

So the line sits at the proclamation, not the teaching

Almost everything the church has divided over is didachē, the teaching: how baptism works, what the table is, whether a Christian can fall away, how the age ends, how a congregation is governed. All of it matters. Some of it matters a great deal, and this site argues hard about several of them.

None of it is the proclamation. A man can hold all four clauses, confess Christ come in the flesh, and still be badly wrong about a great deal, and Paul's word for that man is brother.

Paul drew exactly one line and told the Corinthians where it was: “For I determined not to know any thing among you, save Jesus Christ, and him crucified” (1 Corinthians 2:2). He said that to a church that had already started dividing over teachers. His answer to a splitting church was a shorter list, not a longer one.

The cure is untested too

Here is the part that keeps catching the church out, and it should be applied to this page as much as to anyone.

A false teaching provokes a reaction, and the reaction is nobody's doctrine. It is a correction, written in a hurry, under pressure, aimed at one error. And a correction aimed hard at one ditch tends to land in the other.

Augustine answering Pelagius is the clearest case. Pelagius was genuinely wrong about grace, and Augustine was right to answer him; his late writings against Pelagius then became the headwater of a predestinarian drift the earlier church had not held. The Reformers answering indulgences were right that salvation is not purchased, and faith alone then flattened in many hands into a bare decision that changes nothing, which is the very thing James said was dead.

So the three marks have to be run on the cure as well as the disease. Does the correction preach another gospel? Does it deny the Lord who bought us? Has it turned grace into something else? If the remedy fails the test, the remedy is now the problem, however righteous the fight that produced it.

Running the test on live cases

The test is only worth having if it can be run on something that costs.

The rapture charts and the two-peoples system. This site argues at length that these are a nineteenth-century novelty the church had not held (Did the Church Get It Wrong for 1,800 Years?). Run the marks anyway. They do not change the four clauses. They do not deny Christ come in the flesh. They do not turn grace into license. By this test it is error, arguable and consequential, and it is not another gospel. That distinction should change the temperature of the argument without conceding it.

Cheap grace. Jude names this one directly, and it crosses, not because it makes much of grace but because of the second half of his sentence. When grace becomes permission, the Lord has been removed, and what is left is a different message about what God has done and what He asks. That is the one modern teaching on this list that the New Testament itself puts over the line.

Whether the gifts have ceased. Cessationists and continuationists both confess the same four clauses and the same incarnate Lord. Neither position is another gospel. This site thinks the cessationist reading fails on its own verse and says why (Did the Gifts Stop?), and that is an argument about the teaching, which is where such arguments belong.

Which is why the vocabulary matters. To call a brother's position mistaken, or unsupported, or a reaction that overshot, is to make a claim you can defend from the text. To call him aberrant is to put him outside, and outside is a place Scripture reserves for another gospel and a denied Lord. Real abuses exist and should be named plainly: a prophecy that fails, a leader who cannot be questioned, money extracted from the poor, manipulation dressed as the Spirit. Name those, precisely, and the naming is faithful. But a word that puts a whole body of believers outside the faith has to meet the three marks, and disagreeing about whether tongues continue does not meet them.

Paul had a rule for this exact situation, and it is not the one either side usually reaches for: “Quench not the Spirit. Despise not prophesyings. Prove all things; hold fast that which is good” (1 Thessalonians 5:19-21). Three commands in a row, and they pull against each other on purpose. Do not shut it down. Do not sneer at it. Test everything, and keep what survives.

Where this lands

Hold the tensions Scripture holds. Argue the teaching honestly and hard, because teaching matters and some of it is wrong. But draw the line where Paul drew it, at the proclamation and the Person, and keep the word false for what actually fails those three marks.

And when a brother is otherwise minded, there is an instruction for that, and it is not to win. “God shall reveal even this unto you.”

Study the passages

Companion pages: What They Preached, and What They Taught Next, on the proclamation this line is drawn around, and Every Line Drawn Is Another Division, on what each line has cost. See also Loving the Church You Disagree With and Did the Church Get It Wrong for 1,800 Years?. Scripture quotations from the King James Version. Greek occurrence counts checked against the Berean translation tables in our own library.