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PART 3 - FROM PERSEVERANCE TO ETERNAL SECURITY

Writer: Freddy
Freddy
Sep 4
11 min read

How “The Saints Will Persevere” Became “Once Saved, Always Saved”

In the first article, we asked what the earliest Christians believed about falling away.

In the second, we followed the theological development from Augustine to Calvin and watched an important change take place.

The question gradually moved from:

Can a believer fall away?

to:

Who is a true believer?

And eventually:

If someone is truly elect, regenerated, and united to Christ, can that person finally fall away?

By the time we reach Calvin and the Reformed confessions, the answer is clear:

The elect will persevere.

But that is not yet the whole story.

Because over the next several centuries, another expression becomes increasingly prominent:

Eternal Security.

And eventually:

Once Saved, Always Saved.

Are those simply different ways of saying the same thing?

Or did something change?

That's what we're going to investigate.


CALVIN'S LEGACY BECOMES A CONFESSION

Calvin had argued that those who possess true saving faith will ultimately persevere.

But theology doesn't remain in the pages of one man's writings.

It becomes confession.

It becomes catechism.

It becomes the framework by which churches teach their people how salvation works.

One of the most important moments came at the Synod of Dort, held from 1618–1619.

The Canons of Dort devote their Fifth Head specifically to:

The Perseverance of the Saints.

And here we need to slow down.

Because Dort does not teach:

“A Christian can do whatever he wants because he's saved.”

Quite the opposite.

Dort acknowledges that genuine believers can fall into grievous sins.

They can grieve the Holy Spirit.

They can lose the sense of God's favor.

They can wound their consciences.

They can harden their hearts.

They can even bring temporal judgments upon themselves.

But God will not allow His elect to finally perish. (Westminster Seminary California)

This distinction becomes crucial.

The doctrine is not:

The believer cannot fall.

It is:

The elect cannot finally fall.


DORT'S EXTRAORDINARY LANGUAGE

Then we come to Article 8.

And this may be one of the most revealing statements in the entire historical development.

Dort says that believers do not finally perish because of their own strength or merit.

Rather, God preserves them.

And then comes the distinction:

“with respect to themselves”

final falling is possible.

But:

“with respect to God”

it is “utterly impossible.” (Westminster Seminary California)

Think about what has happened.

From the believer's perspective:

I am weak.

I can fall.

I need grace.

I need perseverance.

But from God's perspective, according to Dort:

God's election cannot fail.

Christ's intercession cannot fail.

God's promise cannot fail.

The Spirit's preservation cannot fail.

Therefore:

The elect will persevere.

This is not yet the popular slogan “once saved, always saved.”

It is something more carefully constructed:

God preserves His elect so that they necessarily persevere to the end.

WESTMINSTER TAKES IT FURTHER

A generation later, the Westminster Assembly gives the doctrine another carefully defined formulation.

Chapter 17 of the Westminster Confession is titled:

Of the Perseverance of the Saints

And paragraph 1 says:

“They, whom God hath accepted in his Beloved, effectually called, and sanctified by his Spirit, can neither totally nor finally fall away from the state of grace…”

They will:

“certainly persevere therein to the end, and be eternally saved.” (Westminster Theological Seminary)

But now read paragraph 2.

Westminster says perseverance does not depend upon the believer's free will.

It depends upon:

the immutability of God's decree of election

Christ's merit and intercession

the abiding of the Spirit

the seed of God

and

the covenant of grace.

And then Westminster gives us those remarkable words:

“from all which ariseth also the certainty and infallibility thereof.” (Westminster Theological Seminary)

There it is.

Certainty.

Infallibility.

But we need to be precise.

Westminster is not saying that elect Christians are personally infallible.

They can sin.

They can fall terribly.

They can remain in grievous sin for a time.

The confession explicitly says so. (Westminster Theological Seminary)

The infallibility refers to the certainty of their ultimate perseverance.

That distinction matters.

SO WHAT EXACTLY IS BEING GUARANTEED?

This is where the doctrine becomes fascinating.

Westminster is not merely saying:

“God wants Christians to persevere.”

It is saying:

God's electing purpose guarantees that the elect will persevere.

The logic is:

Election

↓

Effectual calling

↓

Regeneration / sanctification

↓

True saving faith

↓

Divine preservation

↓

Perseverance

↓

Final salvation

The end is guaranteed because God guarantees the entire process.

That is the classical Reformed doctrine.

And now another theologian comes along who is going to defend it at enormous length.


ENTER JOHN OWEN

John Owen's The Doctrine of the Saints' Perseverance Explained and Confirmed, published in 1654, is one of the great defenses of this doctrine.

Owen isn't casually saying:

“Don't worry. You're saved.”

He builds an enormous theological argument around:

  • God's immutable decree

  • God's covenant

  • God's promises

  • Christ's intercession

  • the Holy Spirit

  • faith

  • sanctification

  • perseverance

  • biblical warnings

In fact, the title page itself tells us exactly what Owen is trying to establish:

“The certain Permanency”

of the saints' acceptance with God and sanctification from God. (Christian Classics Ethereal Library)

And Owen takes the warning passages seriously.

Very seriously.


BUT THEN COMES A FASCINATING PROBLEM

If God has absolutely guaranteed that the elect will persevere...

Why does Scripture warn believers:

“Take heed lest you fall”?

Why does it warn about:

an evil heart of unbelief?

Why does it tell Christians:

“Hold fast”?

Why does Hebrews warn against apostasy?

Why does Scripture threaten judgment?

This is not a minor objection.

It becomes one of the central issues in the entire debate.

And Owen knows it.


OWEN'S ANSWER: THE WARNINGS ARE MEANS

Owen argues that God's promises of perseverance and Scripture's warnings against apostasy are not contradictory.

The warnings are among the means God uses to preserve His people.

In other words:

God doesn't merely decree the destination.

He also ordains the means by which His people reach it.

The warning:

“Take heed lest you fall”

is therefore one of the instruments God uses to keep the elect persevering. (Christian Classics Ethereal Library)

This is an important point because it prevents us from caricaturing classical Reformed theology.

It does not say:

“The warnings don't matter.”

It says:

The warnings matter precisely because God uses them to preserve His elect.

And Owen is very explicit that believers are preserved through faith and obedience, not apart from them. (Christian Classics Ethereal Library)

So the classical system has a fascinating tension:

God guarantees perseverance.

The believer must persevere.

And the Reformed answer is:

God's preservation produces the believer's perseverance.

NOW WATCH WHAT HAPPENS IN THE 19TH CENTURY

This is where our story begins to change terminology.

For centuries, the dominant Reformed language had been:

Perseverance of the Saints

But during the nineteenth century, another expression increasingly appears:

Security of Believers

And later:

Eternal Security

That shift in language deserves investigation.

Historical sources trace the expression “The Security of Believers” to the nineteenth century, including an 1841 sermon by Edward Steane. Later, J. R. Graves used “security of believers” in Southern Baptist circles in 1873, and W. P. Bennett published a book with that title in 1895. These early examples need to be distinguished from the later, more developed doctrine of “eternal security.” (Open Library)

That distinction is important.

Because a change in terminology does not automatically prove a change in theology.

But it gives us something worth investigating.

Did the emphasis begin moving from:

the saints persevering

to:

the believer's security?

And if so—

what caused the shift?


THEN COMES THE PLYMOUTH BRETHREN

Now we enter one of the most important stages in the story.

The Plymouth Brethren movement emerged in the nineteenth century, and eternal security became a particularly prominent theme within portions of Brethren theology.

By 1913, the specific expression “eternal security” is documented in Plymouth Brethren usage. Walter Scott wrote under the heading:

“The Eternal Security of the Sheep.”

His conclusion was uncompromising:

“Eternal life therefore cannot be lost: It is absolutely secure.” (Gameo)

Now we're getting much closer to the language familiar to modern Christians.

Not simply:

The elect will persevere.

But:

The believer possesses eternal life—and that life cannot be lost.

That is an important transition in emphasis.


H. A. IRONSIDE MAKES IT EVEN CLEARER

By 1934, H. A. Ironside could title an entire work:

Eternal Security of the Believer

And his question is wonderfully direct:

“Can A Believer Ever Be Lost?”

His answer is no.

Ironside appeals to Romans 8 and argues that once a person has been justified by faith, no power can separate that person from Christ's love. He describes eternal life as “unforfeitable and everlasting.” (Plymouth Brethren)

Notice the terminology.

We have moved a long way from simply discussing:

the perseverance of the saints.

Now the subject is:

the eternal security of the believer.

And that phrase will become enormously influential.

THEN DISPENSATIONALISM ENTERS THE STORY

This is another place where we need to be precise.

Dispensationalism did not simply invent eternal security.

And it did not originate with one person saying:

“Once saved, always saved.”

The historical development is more complicated.

John Nelson Darby and the Plymouth Brethren played a major role in developing dispensational theology, which was subsequently disseminated widely in America, particularly through the Scofield Reference Bible.

And here something extremely interesting happens.

Dispensational theology develops a strong distinction between Israel and the church, between different biblical economies, and between the believer's position and ongoing Christian experience.

Then the Scofield Reference Bible becomes enormously influential.


SCOFIELD AND HEBREWS 6

Remember Hebrews 6?

“For it is impossible…”
“once enlightened…”
“tasted the heavenly gift…”
“partakers of the Holy Spirit…”
“if they shall fall away…”

This passage has always been a major challenge for eternal-security theology.

Scofield's notes interpret the passage in a very particular way.

He says Hebrews 6 describes people who come remarkably close to salvation but stop short of genuine saving faith.

The note explicitly says:

“It is not said that they had faith.”

They have experienced the Spirit's enlightenment and conviction, but Scofield does not identify them as genuinely saved believers. (Wikisource)

That interpretive move is extremely important.

Because now we see something that will become common in later eternal-security explanations:

When a warning appears to describe someone falling away...

the question becomes:

Were they ever truly saved?

THAT QUESTION CHANGES THE ENTIRE DEBATE

Compare the two approaches.

Earlier reading:

A genuine believer can fall away.

Classical Reformed reading:

The elect cannot finally fall away, although genuine believers may fall grievously and temporarily.

Emerging eternal-security reading:

The truly saved person cannot lose salvation. If someone ultimately falls away, that person was never truly saved.

These positions overlap.

But they are not identical.

And we need to keep them separate.


LEWIS SPERRY CHAFER

The development continues into twentieth-century dispensational theology.

Lewis Sperry Chafer devoted substantial space to the doctrine of “The Eternal Security of the Believer” in his Systematic Theology.

His systematic theology places the subject in a broader framework involving:

  • divine election

  • grace

  • the work of Christ

  • the Holy Spirit

  • the believer's position

  • eternal life

  • and final security. (Google Books)

And this is where the doctrine becomes increasingly recognizable to modern evangelical Christianity.


BUT HERE'S SOMETHING WE MUST NOT MISS

The modern doctrine of eternal security is not simply Calvinism with a different name.

This is one of the most important findings in our research.

A modern evangelical can believe:

Once saved, always saved

without accepting the entire Calvinist system of:

unconditional election

limited atonement

irresistible grace

and

predestination.

In fact, some forms of eternal security developed outside classical Calvinism.

John Mark Hicks makes precisely this distinction: classical Calvinists and Arminians agree that the elect persevere, whereas some modern forms of “eternal security” teach that a person possesses eternal life from the moment of belief even if that person later stops believing. (John Mark Hicks)

That is a major distinction.


NOW WE HAVE TWO DIFFERENT IDEAS

CLASSICAL REFORMED PERSEVERANCE

True saving faith perseveres.

If someone finally abandons Christ, that demonstrates that the person was never among the elect possessing true saving faith.

SOME MODERN ETERNAL-SECURITY SYSTEMS

The moment of belief establishes eternal security.

Even if the person later stops believing, salvation itself remains secure.

The believer may lose:

  • fellowship

  • rewards

  • spiritual usefulness

  • joy

  • sanctification

but not final salvation.

That is a very different proposition.

And that difference is exactly why we should not simply call everything “Calvinism.”


SO WHEN DID “ONCE SAVED, ALWAYS SAVED” APPEAR?

Here's where we need scholarly restraint.

We should not claim:

“Calvin invented OSAS.”

He didn't.

We also shouldn't claim:

“The phrase didn't exist before the twentieth century.”

The terminology has a more complicated nineteenth-century history.

What we can responsibly say is:

The modern doctrine of unconditional eternal security developed through multiple streams.

The Reformed doctrine of perseverance provided one major theological foundation.

Nineteenth-century evangelical and Baptist discussions increasingly used the language of security of believers.

Plymouth Brethren writers increasingly used eternal security.

Dispensational theology helped spread a form of security beyond classical Calvinism.

The Scofield Reference Bible gave the doctrine enormous popular influence.

And twentieth-century evangelical teachers made the doctrine familiar to millions.

That is a much more defensible historical conclusion. (John Mark Hicks)


AND NOW WE COME TO THE QUESTION WE STARTED WITH

Look at the progression.

EARLY CHRISTIANITY

Persevere.

Don't fall away.

Remain faithful.

AUGUSTINE

Final perseverance is a gift of God.

CALVIN

The elect possess true saving faith that necessarily perseveres.

DORT

The elect cannot finally fall.

WESTMINSTER

The perseverance of the elect is certain and infallible.

OWEN

God uses promises, exhortations, and warnings as means of preserving His elect.

NINETEENTH CENTURY

Security of believers.

PLYMOUTH BRETHREN

Eternal security.

MODERN EVANGELICALISM

Once saved, always saved.

And now we have arrived at the question that has been hiding underneath the entire historical development.

Did the meaning change?

Not merely the words.

Not merely the terminology.

But the relationship between salvation, faith, perseverance, covenant, and apostasy.


AND NOW WE HAVE TO STOP AND ASK A DIFFERENT QUESTION

We've spent three articles following the history.

We started with the earliest Christians.

We watched Augustine wrestle with grace, falling away, predestination, and perseverance.

We followed the Reformation.

We watched Calvin connect perseverance to election.

We watched Dort and Westminster formalize the doctrine.

We followed the Puritans and John Owen.

And then we watched the language move toward security of the believer, eternal security, and eventually the popular phrase:

Once Saved, Always Saved.

But history can tell us what Christians came to believe.

It cannot, by itself, tell us whether they were right.

That requires a different authority.

Scripture.

And this is where our investigation takes its most important turn.

WE ARE DONE ASKING WHAT THEY SAID.

Now we ask:

WHAT DOES SCRIPTURE ACTUALLY SAY?

No Augustine.

No Calvin.

No Dort.

No Westminster.

No Owen.

No Scofield.

No denominational traditions.

Just the Bible.

And we're going to give both sides the strongest possible hearing.

We're going to examine the passages that seem to promise absolute security:

John 10.

Romans 8.

Philippians 1.

1 Peter 1.

Jude.

Hebrews 7.

Then we're going to turn around and examine the passages that contain some of Scripture's most serious warnings:

John 15.

Romans 11.

Galatians 5.

Hebrews 3.

Hebrews 6.

Hebrews 10.

2 Peter 2.

And we're not going to make either side disappear.


WHAT DOES IT MEAN TO BE SAVED?

Before we can answer whether salvation can be lost, we have to ask a more fundamental question:

What does the Bible mean when it says someone is saved?

Is salvation something accomplished?

Is it something received?

Is there a difference between:

“I am saved,”

“I am being saved,”

and

“I will be saved”?

What does it mean to be “in Christ”?

What does it mean to abide?

What does the Bible mean by faith?

What is unbelief?

What is apostasy?

And when Scripture warns believers not to fall away, who exactly is being warned?

These aren't minor questions.

They determine how we read the entire debate.


AND THEN THERE ARE THE WARNINGS

What do we do with Jesus saying:

“If anyone does not abide in Me, he is cast out as a branch and is withered.”John 15:6

What do we do with Paul's warning:

“You stand by faith. Do not be haughty, but fear.”Romans 11:20

What do we do with:

“You have become estranged from Christ… you have fallen from grace.”Galatians 5:4

What do we do with Hebrews' warning about those who have received the knowledge of the truth?

What do we do with Peter's description of people who had escaped the pollutions of the world through the knowledge of the Lord and Savior Jesus Christ, and then became entangled again?

We cannot simply dismiss these passages.

But neither can we ignore the Bible's extraordinary promises of God's preserving grace.

So we have a real interpretive problem.


SECURITY OR PRESUMPTION?

Perhaps the question isn't simply:

“Can I lose my salvation?”

Perhaps the deeper question is:

What kind of security does Scripture actually promise?

There is a profound difference between:

Trusting completely in God's faithfulness

and

Assuming that God's faithfulness makes continued faith unnecessary.

There is a difference between:

God preserving His people

and

a doctrine that makes the biblical warnings about unbelief and apostasy impossible to apply to a genuinely saved person.

We aren't going to decide which is correct by looking at what Augustine said.

Or Calvin.

Or Westminster.

Or modern evangelicalism.

We're going back to the source.

THE BIBLE.

Sources

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