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If the Church Is the Bride, What Counts as Unfaithful?

Golden sunlight streams through front doors into an empty church lined with wooden pews.

A graphic has been going around claiming that the phrase "Bride of Christ" is not in the Bible. It shows a search of the King James Version with "No results found," and it asks why anyone would build a doctrine on words God never said. I write about marriage vows in my book, A Child of God Does Not Sin, so the question matters to me. I think the answer says more about willful sin than the graphic intended.

Is the phrase in the Bible?

The exact words "Bride of Christ" do not appear in the King James Version. The graphic is right about that. The same test would also remove "Trinity," "Bible," and "Sunday school." The better question is whether the idea is there, and it is.

John the Baptist says, "He who has the bride is the bridegroom" (John 3:29). Paul writes to the church at Corinth, "I have betrothed you to one husband, that I may present you as a chaste virgin to Christ" (2 Corinthians 11:2). He describes how Christ "loved the church and gave Himself for her," and then says of marriage, "This is a great mystery, but I speak concerning Christ and the church" (Ephesians 5:25, 32). In Revelation, "the marriage of the Lamb has come, and His wife has made herself ready" (Revelation 19:7).

Some teachers say the bride is Israel or the New Jerusalem, not the church. I read Paul as speaking to churches in Ephesians and 2 Corinthians, so I take the bride to be the church, knowing some readers see it differently. Either way, this post doesn't change, because these passages all care about the same thing.

What the bride pictures are about

Read them again and notice what they worry about. Paul says, "I fear, lest somehow, as the serpent deceived Eve by his craftiness, so your minds may be corrupted from the simplicity that is in Christ" (2 Corinthians 11:3). He says Christ cleanses the church so that "she should be holy and without blemish" (Ephesians 5:27). The bride in Revelation wears fine linen, and "the fine linen is the righteous acts of the saints" (Revelation 19:8).

The same picture is used when God's people go wrong. God says, "Surely, as a wife treacherously departs from her husband, so have you dealt treacherously with Me" (Jeremiah 3:20). James writes, "Adulterers and adulteresses! Do you not know that friendship with the world is enmity with God?" (James 4:4).

One of Scripture's pictures of willful sin against God is unfaithfulness. It is not called a mistake.

A vow is not a mood

In Chapter Three of my book I ask, "Why on earth do we hold the marriage vow to a higher standard than the vow we made to God?" Nobody tells a spouse, "I was faithful to you about ninety percent of the year." Fidelity isn't graded on a curve. If the church is the bride, then willful sin is not a small slip in a long relationship. It is the thing a marriage vow exists to rule out. That is the picture behind 1 John 3:9, "Whoever has been born of God does not sin": a bride who does not go after other lovers.

The bride is the church as a whole, but Paul also tells individual believers that they "may be married to another—to Him who was raised from the dead" (Romans 7:4). The vow is personal, too.

I want to be clear about what I mean. A spouse who forgets an anniversary, says the wrong thing, or fails out of weakness has not committed adultery. Mistakes, ignorance, and ordinary human weakness are not what is in view. The willful, knowing choice is.

There is a way back

God does not stop at the charge. In the same chapter where He says He "had put her away and given her a certificate of divorce" (Jeremiah 3:8), He calls out, "Return, O backsliding children, for I am married to you" (Jeremiah 3:14).

John Wesley, the founder of Methodism, preached the same. In his sermon "A Call to Backsliders," he says those who had fallen were restored "very frequently in an instant, to all that they had lost." Nothing here says God is counting your failures until you run out. It says He wants His bride faithful, and that He welcomes her home.

The way back is real, and so is the warning. God did put her away, and Scripture treats unfaithfulness as serious. The danger is not a single failure. It is a heart that stops wanting to return.

What about "forever"?

A reader will point to Hosea 2:19, where God says, "I will betroth you to Me forever." It is a beautiful promise. Notice where it comes in the chapter. It follows the charge of unfaithfulness and God's discipline, not in place of them. God's commitment to restore His people is real. It does not mean unfaithfulness doesn't matter.

Who does the cleaning?

One more thing. In Ephesians 5, it is Christ who acts. He gave Himself for the church "that He might sanctify and cleanse her," so that He might present her "holy and without blemish." The Husband who calls the bride to faithfulness also supplies the power for it. His cleansing is what makes her faithful, not a reward for being faithful. That is the second half of grace, which is God's strength to do what we could never do on our own, and it is what my book is about.

So is the church the bride? I believe Scripture says so. The better question is whether the bride is being faithful, and whether we believe her Husband when He says she can be.

A Child of God Does Not Sin is now available on Amazon.

Ronald Smith
About the Author

Ronald Smith isn’t a pastor or theologian — he spent 45 years in sales and marketing, with a journalism degree from Northern Arizona University. After a 33-year search that started with one question asked in a diner in Muncie, Indiana, he wrote A Child of God Does Not Sin, released on Amazon October 19, 2026.

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Cover of A Child of God Does Not Sin by Ronald Smith
The book behind the post

A Child of God Does Not Sin

How Gospel Truth Was Buried, and Why It Must Be Restored. Fifty-six verses, walked through one at a time. Now available on Amazon.

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