The Berean Bible Study Project

Chapter 9 — Reformation and Trent

Estimated reading time: 20–24 minutes

By the beginning of the sixteenth century, the Western church faced a crisis that was no longer merely administrative.

For centuries, councils had attempted to correct:

  • Clerical corruption
  • Simony
  • Disputed papal elections
  • Church discipline
  • Theological controversy

But reform movements had also raised deeper questions:

  • What is the final authority for Christian doctrine?
  • How is a sinner justified before God?
  • How many sacraments did Christ institute?
  • What authority belongs to the pope?
  • Can church tradition bind the conscience apart from Scripture?
  • What happens when church practice appears to conflict with the gospel?

These questions exploded in the movement we call:

the Protestant Reformation

The Reformation did not begin as an attempt to create a new religion.

Its earliest leaders generally argued that the Western church had departed in important ways from apostolic Christianity and needed reform.

The Roman Catholic response eventually reached its most important conciliar expression at:

the Council of Trent

which met intermittently from:

1545 to 1563

The Reformation and Trent together reshaped Western Christianity permanently.

The Medieval Background

The Reformation did not arise suddenly in 1517.

The late medieval church had already experienced:

  • Calls for reform
  • Criticism of corruption
  • Debates over papal authority
  • Conciliarism
  • Humanist scholarship
  • Renewed study of Scripture

Figures such as:

  • John Wycliffe
  • Jan Hus
  • Desiderius Erasmus

had already challenged important aspects of the medieval church.

The Reformation emerged from this larger historical context.

Printing Changes Everything

The printing press transformed the situation.

Before movable-type printing, manuscripts were expensive and slow to reproduce.

By the sixteenth century, pamphlets, sermons, theological arguments, and Bible translations could circulate rapidly.

This gave reform movements a reach earlier critics had never possessed.

Ideas that once remained local could now spread across Europe.

Renaissance Humanism

Renaissance humanists emphasized:

ad fontes

meaning:

back to the sources.

They studied:

  • Greek
  • Hebrew
  • Classical authors
  • Church Fathers

This encouraged Christians to compare later church practice with earlier sources.

It also strengthened the study of Scripture in its original languages.

Erasmus

Desiderius Erasmus became one of the most important Christian humanists.

His Greek New Testament of 1516 helped stimulate renewed textual study.

Erasmus criticized:

  • Clerical ignorance
  • Superstition
  • Ecclesiastical abuse

But he did not become a Protestant reformer.

His relationship with Luther eventually became contentious, especially over human freedom and grace.

Martin Luther

The figure most closely associated with the beginning of the Reformation is:

Martin Luther

Luther was:

  • Augustinian monk
  • Priest
  • University professor
  • Biblical scholar

His early academic work focused heavily on Scripture.

He lectured on:

  • Psalms
  • Romans
  • Galatians
  • Hebrews

His theology developed through engagement with these biblical texts.

The Ninety-Five Theses

On:

October 31, 1517

Luther circulated his:

Ninety-Five Theses

The traditional story says he nailed them to the church door at Wittenberg.

Whether every detail of the famous door-nailing story can be reconstructed with certainty is less important than the fact that the theses circulated quickly.

The immediate controversy concerned:

indulgences.

What Were Indulgences?

Indulgences developed within medieval Catholic theology concerning:

  • Sin
  • Penance
  • Temporal punishment
  • Church authority

Catholic theology distinguished between:

  • Forgiveness of guilt
  • Remaining temporal consequences of sin

An indulgence was understood as remission of temporal punishment under church authority.

The theology was more complex than the popular slogan:

paying money to forgive sins.

But abuses in preaching and practice were real.

Johann Tetzel

The indulgence preacher:

Johann Tetzel

became closely associated with the controversy.

A famous rhyme attributed to indulgence preaching said, in effect:

When the coin in the coffer rings, the soul from purgatory springs.

The exact historical wording and widespread use of the rhyme are debated.

But the slogan captures the kind of crude popular theology Luther opposed.

Luther’s Initial Concern

Luther initially challenged the abuse and theology of indulgences rather than every doctrine of the Roman church.

But the controversy quickly deepened.

If indulgences depended upon papal authority, then questioning indulgences raised questions about:

the authority of the pope.

If the pope’s authority rested partly upon tradition, then another question followed:

What authority does tradition possess compared with Scripture?

The dispute widened rapidly.

Justification

The central theological issue of the Reformation became:

How is a sinner justified before God?

The word justification is drawn from biblical language concerning being declared or accounted righteous before God.

Paul writes:

“Since we have been justified by faith, we have peace with God through our Lord Jesus Christ.”
— Romans 5:1

The precise meaning of justification became one of the great dividing questions of Western Christianity.

Luther’s Concern

Luther became convinced that human beings cannot establish righteousness before God through their own merit.

He found particular significance in Paul’s statement:

“The righteous shall live by faith.”
— Romans 1:17

For Luther, the gospel announced:

a righteousness received from God

rather than:

a righteousness humans produce sufficiently for themselves.

Justification by Faith

The Reformation slogan became:

sola fide

meaning:

faith alone.

But the slogan requires careful explanation.

Historic Protestant theology did not mean:

mere intellectual agreement without repentance or transformed life.

Rather:

faith alone receives justification, but genuine faith does not remain alone.

Good works follow as fruit rather than becoming the basis of acceptance before God.

Paul’s Language

Paul writes:

“We hold that one is justified by faith apart from works of the law.”
— Romans 3:28

This became one of the Reformation’s central texts.

But interpretation depends partly upon what Paul means by:

works of the law.

Some later scholarship has emphasized the Jewish covenant context.

Nevertheless, Paul clearly denies human boasting before God and locates justification in God’s grace received through faith.

Ephesians 2

Paul writes:

“By grace you have been saved through faith.”
— Ephesians 2:8

and:

“not a result of works, so that no one may boast.”
— Ephesians 2:9

But the passage immediately continues:

“For we are his workmanship, created in Christ Jesus for good works.”
— Ephesians 2:10

This sequence became fundamental to Protestant theology:

grace produces good works rather than good works earning grace.

What About James?

James writes:

“A person is justified by works and not by faith alone.”
— James 2:24

This created an obvious interpretive challenge.

Paul says:

justified apart from works.

James says:

justified by works.

How are they reconciled?

Different Problems

A common Protestant interpretation holds that Paul and James are confronting different errors.

Paul opposes:

works as the basis of justification.

James opposes:

a dead faith that produces no obedience.

James himself says:

“faith by itself, if it does not have works, is dead.”
— James 2:17

Thus genuine faith manifests itself through action.

Catholic Interpretation

Roman Catholic theology also emphasizes grace as foundational.

Catholic doctrine does not teach that humans save themselves independently of God’s grace.

But Catholic theology understands justification as involving:

  • Forgiveness
  • Interior renewal
  • Grace-enabled transformation

rather than only a forensic declaration.

This difference became sharply defined at Trent.

Sola Scriptura

Another foundational Reformation principle was:

sola Scriptura

meaning:

Scripture alone

as the final infallible authority for Christian doctrine.

This did not mean:

tradition has no value.

Nor:

Christians should ignore church history.

Rather, it meant:

no pope, council, theologian, or tradition possesses authority equal to or above Scripture.

Why Sola Scriptura Emerged

The late medieval church contained multiple competing authorities:

  • Scripture
  • Church Fathers
  • Councils
  • Canon law
  • Papal decrees
  • Scholastic theologians

What happens when these appear to conflict?

The Reformers increasingly answered:

Scripture must judge the others.

Luther at Worms

The conflict reached a dramatic point at the:

Diet of Worms in 1521

Luther was asked to recant his writings.

The famous version of his response emphasizes that unless convinced by:

  • Scripture
  • Clear reason

he could not recant safely against conscience.

The exact wording of the famous phrase:

“Here I stand”

is historically uncertain in its traditional form.

But the principle of appeal to Scripture is firmly grounded in the event.

Council or Scripture?

Luther had also become convinced that councils could err.

The condemnation of Jan Hus at Constance contributed to this conviction.

If a council could condemn someone for affirming something Luther believed biblical, then council authority could not be absolute.

This was a major break from medieval assumptions.

The Five Solas

Later Protestant tradition summarized Reformation theology with five slogans:

  • Sola Scriptura — Scripture alone
  • Sola Fide — Faith alone
  • Sola Gratia — Grace alone
  • Solus Christus — Christ alone
  • Soli Deo Gloria — Glory to God alone

These exact five as a standardized package are a later summary rather than a single sixteenth-century manifesto.

But they accurately reflect major Protestant emphases.

Christ Alone

The Reformers emphasized:

Solus Christus

because salvation rests upon Christ’s mediatorial work.

Paul writes:

“There is one mediator between God and men, the man Christ Jesus.”
— 1 Timothy 2:5

This led Protestants to question practices that seemed to place additional mediators between Christ and believers.

The Priesthood of All Believers

Luther also emphasized what came to be called:

the priesthood of all believers.

Peter writes:

“You are a chosen race, a royal priesthood.”
— 1 Peter 2:9

This did not mean:

the church needs no pastors.

It meant that all believers have direct access to God through Christ and share a priestly vocation of witness and worship.

Sacraments

The Reformers also reconsidered the medieval sacramental system.

The Western church recognized seven sacraments.

Luther and many later Protestants argued that only rites clearly instituted by Christ with visible signs and gospel promises should be treated as sacraments in the strict sense.

Luther generally centered on:

  • Baptism
  • Lord’s Supper

and sometimes treated absolution in a related sacramental way.

Baptism

The Reformers did not all agree on baptism.

Lutherans retained infant baptism.

Reformed churches retained infant baptism.

Anabaptists rejected infant baptism and insisted upon believer’s baptism.

Thus the Reformation itself quickly developed internal divisions.

The Lord’s Supper

The Eucharist became another major point of disagreement.

Luther rejected transubstantiation as a philosophical explanation but strongly affirmed Christ’s real presence.

Zwingli emphasized memorial significance more strongly.

The Reformed tradition associated with Calvin emphasized genuine spiritual participation in Christ.

These disagreements prevented full Protestant unity.

The Marburg Colloquy

In:

1529

Luther and Zwingli met at the:

Marburg Colloquy

They agreed on many doctrines.

But they failed to agree on Christ’s presence in the Lord’s Supper.

Luther emphasized:

“This is my body.”

The failure at Marburg demonstrated that Protestants could divide over biblical interpretation even while affirming Scripture as final authority.

The Problem of Protestant Fragmentation

This became one of the strongest Catholic criticisms of the Reformation.

If Scripture is the final authority, what happens when sincere readers disagree about its meaning?

The Protestant answer generally appealed to:

  • Clearer Scripture interpreting less clear Scripture
  • Confessions
  • Teachers
  • Church discipline
  • Collective interpretation

But no single Protestant institution possessed universal authority.

The problem remains important today.

The Augsburg Confession

In:

1530

Lutheran leaders presented the:

Augsburg Confession

to Emperor Charles V.

Its principal author was:

Philip Melanchthon

The confession attempted to show that the Lutheran movement stood within historic Christian orthodoxy while correcting what it regarded as abuses.

It became foundational for Lutheran Christianity.

Not a Rejection of the Ancient Creeds

The Augsburg Confession affirmed doctrines such as:

  • Trinity
  • Incarnation
  • Nicene faith

The Reformers did not generally believe they were abandoning ancient Christianity.

They believed they were reforming the medieval Western church according to Scripture.

The Reformed Tradition

A second major Protestant tradition developed in Switzerland and neighboring regions.

Important figures included:

  • Huldrych Zwingli
  • John Calvin
  • Heinrich Bullinger

Reformed churches shared many principles with Lutheranism but differed on issues such as:

  • Eucharist
  • Church government
  • Some aspects of predestination
  • Worship

John Calvin

John Calvin became one of the most influential Reformed theologians.

His:

Institutes of the Christian Religion

provided a systematic presentation of Protestant theology.

Calvin strongly emphasized:

  • Sovereignty of God
  • Grace
  • Scripture
  • Union with Christ
  • Church discipline

His influence spread far beyond Geneva.

The Anabaptists

The Reformation also produced more radical movements.

Anabaptists generally rejected infant baptism.

Many advocated:

  • Believer’s baptism
  • Separation of church and state
  • Voluntary church membership

Some became committed pacifists.

Others were associated with more radical political movements.

The Anabaptist tradition must therefore not be reduced to one stereotype.

Religious Coercion Among Protestants

The Reformers criticized Catholic coercion.

But Protestant territories also sometimes persecuted theological dissenters.

Anabaptists in particular suffered from both Catholic and Protestant authorities.

This is a crucial historical correction.

The Reformation did not immediately produce modern religious liberty.

Michael Servetus

A notorious case occurred in Geneva.

Michael Servetus rejected classical Trinitarian doctrine.

He was executed for heresy in:

1553

with the approval of Geneva’s authorities, including Calvin’s support for punishment, though Calvin did not personally possess unilateral civil authority.

The episode reminds us that even reformers committed to Scripture could inherit coercive assumptions from Christendom.

The English Reformation

In England, reform developed through a different combination of:

  • Theology
  • Royal politics
  • Church authority

Henry VIII’s break with Rome was not initially driven by Lutheran justification doctrine.

But England later developed increasingly Protestant theology.

The result was:

Anglicanism

with its own complex relationship to Catholic and Protestant traditions.

Western Christianity Is Now Fragmented

By the middle of the sixteenth century, Western Christianity was divided among:

  • Roman Catholic
  • Lutheran
  • Reformed
  • Anglican
  • Anabaptist and other movements

The unity of medieval Western Christendom had broken.

The Roman Catholic Church now faced an urgent need to respond.

That response culminated at:

the Council of Trent.

The Council of Trent

The Council of Trent met intermittently between:

1545 and 1563

mostly in the city of Trent, with one period of sessions in Bologna.

It was convened under a succession of popes.

The council had two major purposes:

Define Catholic doctrine in response to Protestant challenges.

Reform serious abuses within the Catholic Church.

Thus Trent was both:

doctrinal

and:

reforming.

Why Did Trent Take So Long to Begin?

Calls for a council had existed for years.

But political and ecclesiastical tensions delayed it.

Important factors included:

  • Papal concern about council authority
  • Emperor Charles V’s political interests
  • War between European powers
  • Disagreement over how Protestants should participate
  • Fear of renewed conciliarism

The first session finally opened in 1545.

Scripture and Tradition at Trent

One of the central issues was authority.

The Reformers argued:

Scripture alone is the final infallible authority.

Trent affirmed the authority of:

  • Scripture
  • Apostolic traditions received by the church

within the church’s interpretive authority.

This established one of the enduring differences between Catholic and Protestant theology.

Did Trent Put Tradition “Above” Scripture?

Catholic theology would reject that characterization.

Its position is that Scripture and authentic apostolic Tradition belong to one deposit of faith and are authoritatively interpreted by the church.

Protestants object that this structure can permit later church teaching to acquire authority without sufficiently clear biblical warrant.

The disagreement is therefore about both:

  • source
  • interpreter

The Biblical Canon at Trent

Trent formally affirmed the Catholic biblical canon.

This included Old Testament books Protestants commonly call:

the Apocrypha

and Catholics call:

Deuterocanonical books.

These include books such as:

  • Tobit
  • Judith
  • Wisdom of Solomon
  • Sirach
  • Baruch
  • 1 and 2 Maccabees

The canon question therefore became another point of Catholic-Protestant division.

Protestant Old Testament Canon

Most Protestants followed the shorter Hebrew/Jewish canon for the Old Testament.

The Deuterocanonical books could still be read historically and devotionally in some Protestant traditions, but they were not given equal canonical authority.

This difference remains today.

The Latin Vulgate

Trent declared the Latin Vulgate authoritative for public reading, disputation, preaching, and exposition within the Catholic Church.

This did not mean:

Greek and Hebrew were forbidden.

Catholic scholars continued studying original languages.

But the Vulgate held a privileged ecclesiastical position.

Justification at Trent

Trent responded directly to Protestant claims about justification.

The council strongly affirmed that:

salvation begins with God’s grace.

It rejected the idea that fallen humans can justify themselves by natural moral effort apart from grace.

This is important because Catholic doctrine should not be caricatured as simple salvation by self-produced works.

Justification as Transformation

Trent understood justification as including:

  • Forgiveness of sins
  • Sanctification
  • Renewal of the inner person

Thus justification was not treated merely as an external declaration.

God’s grace genuinely transforms the believer.

Protestant Justification

Classic Protestant theology distinguished more sharply between:

Justification

God’s declaration of righteousness based on Christ, received through faith.

Sanctification

The Spirit’s ongoing work of transforming the believer.

Both are inseparable in salvation, but they are not identical.

This distinction became central to Protestant theology.

Imputed Righteousness

The Protestant doctrine commonly emphasized:

imputed righteousness.

This means Christ’s righteousness is counted to the believer rather than justification being based upon sufficient righteousness produced within the believer.

Paul writes:

“For our sake he made him to be sin who knew no sin, so that in him we might become the righteousness of God.”
— 2 Corinthians 5:21

Protestants interpreted such texts within a strongly forensic framework.

Infused Grace

Catholic theology traditionally speaks more strongly of:

grace infused into the believer

so that God’s grace actually renews and transforms.

This distinction between:

  • imputed righteousness
  • infused righteousness

became one of the classic ways of describing the divide.

Modern dialogue has sometimes shown greater overlap than older polemics acknowledged, but significant differences remain.

Faith and Works

Trent rejected the idea that saving faith can be understood as bare intellectual confidence without love and obedience.

Protestants likewise generally rejected dead faith.

The disagreement concerned how:

  • faith
  • works
  • grace
  • justification

are related.

This remains an important area where caricature should be avoided.

Can Christians Have Assurance?

The Reformation also emphasized assurance of salvation.

Luther and later Protestants stressed confidence in God’s promise rather than confidence in human merit.

Catholic theology warned against presumptuous certainty apart from special revelation.

Different Catholic and Protestant traditions have nuanced this issue in various ways.

The Seven Sacraments

Trent formally affirmed:

seven sacraments

as belonging to the sacramental life of the Catholic Church:

  • Baptism
  • Confirmation
  • Eucharist
  • Penance
  • Anointing of the Sick
  • Holy Orders
  • Matrimony

This directly rejected Protestant reduction of the sacramental number.

The Eucharist at Trent

Trent reaffirmed:

transubstantiation

and the real presence of Christ in the Eucharist.

It also defended the sacrificial character of the Mass.

These teachings became central boundaries separating Catholic and Protestant worship.

“Do This in Remembrance of Me”

Protestants emphasized Jesus’ words:

“Do this in remembrance of me.”
— Luke 22:19

But they differed among themselves about the meaning of Christ’s presence.

Thus opposition to Catholic sacramental theology did not produce one uniform Protestant Eucharistic doctrine.

The Mass as Sacrifice

Catholic theology teaches that the Mass makes sacramentally present the one sacrifice of Christ.

It does not officially claim that Christ is repeatedly crucified as a new sacrifice.

Protestant objections nevertheless arose because Hebrews emphasizes the once-for-all character of Christ’s sacrifice.

Hebrews says:

“He has appeared once for all… to put away sin by the sacrifice of himself.”
— Hebrews 9:26

This remains an important theological difference requiring careful terminology.

Penance and Confession

Trent reaffirmed sacramental confession and priestly absolution.

Catholic theology connects this with texts such as:

“If you forgive the sins of any, they are forgiven them.”
— John 20:23

Protestants generally interpreted church absolution differently and emphasized direct access to God through Christ.

Priesthood

Trent reaffirmed ordained priesthood as distinct from the universal priesthood of believers.

Protestants generally retained ordained ministry but rejected a sacrificial priesthood understood in the medieval Catholic sense.

The issue centered partly on how Christ’s unique priesthood is related to church ministry.

Christ as High Priest

Hebrews declares:

“We have a great high priest who has passed through the heavens, Jesus, the Son of God.”
— Hebrews 4:14

Protestants emphasized Christ’s unique priestly mediation.

Catholic theology understands ordained priesthood as participating ministerially in Christ’s one priesthood rather than replacing it.

The dispute therefore concerns the nature of representation and sacramental ministry.

Purgatory

Trent also reaffirmed the Catholic doctrine of:

purgatory.

This refers to postmortem purification of those who die in God’s grace but still require purification.

Protestants rejected the doctrine as lacking sufficient biblical foundation.

This became another major division.

Prayers for the Dead

Catholic support for purgatory includes appeal to:

2 Maccabees 12

where prayer is offered for the dead.

Because Protestants do not recognize 2 Maccabees as canonical Scripture, this creates an immediate canon-related difference in theological argument.

The issue illustrates how disputes about doctrine and canon can reinforce each other.

Saints and Relics

Trent defended the honor given to saints and the use of relics and sacred images.

It distinguished honor from worship owed to God alone.

Protestants generally rejected invocation of saints as lacking clear apostolic warrant and potentially obscuring Christ’s unique mediation.

Mary

Trent did not define all later Marian dogmas.

But Catholic devotion to Mary remained deeply embedded in church practice.

Protestants generally honored Mary as the mother of Jesus while rejecting prayers to her or doctrines they believed lacked biblical foundation.

Indulgences

Trent retained indulgences but condemned abuses connected with them.

This is important.

The council did not conclude:

Luther was correct and indulgences should disappear.

Instead, it defended the basic doctrine while ordering corrupt practices to be corrected.

Reform of the Clergy

Trent also undertook major internal reform.

One important development was the establishment of stronger requirements for:

seminary education.

Clergy were to receive more systematic theological and pastoral training.

This became one of Trent’s most successful reforms.

Bishops and Residence

The council emphasized that bishops should actually reside in their dioceses and fulfill pastoral responsibilities.

Absentee bishops had been a significant medieval abuse.

This illustrates that Catholic reform was not merely doctrinal reaction against Protestants.

It addressed real institutional problems.

The Catholic Reformation

Historians increasingly use expressions such as:

Catholic Reformation

alongside:

Counter-Reformation.

“Counter-Reformation” emphasizes reaction to Protestantism.

“Catholic Reformation” emphasizes internal renewal already underway within Catholicism.

Both perspectives contain truth.

New Religious Orders

The period also saw significant Catholic renewal through new or reformed religious communities.

The most famous was:

the Society of Jesus

or:

Jesuits

founded by Ignatius of Loyola.

Jesuits became influential in:

  • Education
  • Mission
  • Theology
  • Spiritual formation

They played a major role in post-Tridentine Catholic renewal.

Catholic Missions

Catholic missions expanded dramatically during this period.

Missionaries traveled to:

  • Asia
  • Africa
  • Americas

Figures such as:

Francis Xavier

became important in global Catholic mission.

Thus the Catholic Church after Trent was not merely defending Europe.

It was becoming increasingly global.

Protestant Missions

Protestant mission initially developed more slowly because many early Protestant churches were preoccupied with survival and political conflict in Europe.

Later Protestant movements would become major global missionary forces.

The religious map of the world would therefore change profoundly over the following centuries.

Did Trent “Answer” the Reformation?

Yes, in one important sense.

After Trent, Roman Catholic doctrine was defined much more sharply on many issues disputed by Protestants.

The council clarified where Catholicism would not accept Protestant formulations.

Thus the lines between confessional traditions became more distinct.

Confessionalization

Historians sometimes use the term:

confessionalization

to describe the period in which Catholic, Lutheran, and Reformed identities became increasingly structured around:

  • Confessions
  • Catechisms
  • Education
  • Discipline
  • Worship

Europe was no longer simply:

Christian.

It was increasingly divided into specific confessional Christian traditions.

The Religious Wars

The Reformation era also produced devastating conflict.

Religious and political motives intertwined in wars across Europe.

Examples include:

  • French Wars of Religion
  • Dutch Revolt
  • Thirty Years’ War

It would be simplistic to describe these as purely theological wars.

Dynastic, territorial, economic, and political interests were deeply involved.

But religion clearly intensified identity and conflict.

Did the Reformation Cause Religious Freedom?

Not immediately.

Catholic rulers often enforced Catholicism.

Lutheran rulers often enforced Lutheranism.

Reformed rulers often enforced Reformed Christianity.

Religious pluralism remained limited.

Modern concepts of broad religious liberty developed gradually and often after bitter experience with confessional conflict.

Scripture and Authority: The Deepest Divide

Beneath many individual disputes lay one fundamental question:

Who has final authority to interpret Christian truth?

The Catholic answer involved:

  • Scripture
  • Tradition
  • Magisterium

The Protestant answer placed Scripture as final norm while still using:

  • Creeds
  • Confessions
  • Teachers
  • Church institutions

This authority question remains central today.

Is Sola Scriptura the Same as “Me and My Bible”?

No.

Historic Protestantism was not originally anti-creedal individualism.

The Reformers produced:

  • Confessions
  • Catechisms
  • Church orders
  • Commentaries

They read:

  • Augustine
  • Church Fathers
  • Ancient councils

The principle was not:

Only my interpretation matters.

It was:

All interpretations remain accountable to Scripture.

Catholic Criticism of Sola Scriptura

Catholic theology asks an important question:

Who determines what Scripture means when Christians disagree?

It also asks:

How did Christians know the biblical canon before later church decisions?

These are serious questions and should not be dismissed.

Protestant Response

Protestants typically respond that:

the church recognizes Scripture but does not create its authority.

They also argue that the existence of interpretive disagreement does not establish the necessity of an infallible interpreter.

An interpreter can itself require interpretation.

The debate therefore continues at the level of epistemology and ecclesiology.

The Canon Question

The canon becomes particularly important.

If Scripture is final authority:

Which books count as Scripture?

The early church recognized the canon gradually.

The Protestant and Catholic Old Testament canons differ.

Therefore sola Scriptura still depends upon a historical judgment concerning the identity of Scripture.

This does not automatically refute the doctrine.

But it shows that Scripture and church history cannot simply be separated.

Was the Reformation Necessary?

Different traditions answer differently.

Roman Catholics generally see the Reformation as a tragic rupture, while acknowledging the need for serious reform.

Protestants generally see it as necessary recovery of the gospel and scriptural authority.

Historians can document:

  • corruption
  • reform
  • theological dispute

but historical method alone cannot decide whether:

justification by faith alone is true.

That requires theological and biblical evaluation.

Was Trent Merely Reactionary?

No.

Trent defended doctrines Protestants rejected.

But it also corrected significant abuses and strengthened:

  • Clerical education
  • Episcopal residence
  • Discipline
  • Catechesis

Its reforms profoundly reshaped Roman Catholic life.

A fair history must recognize both dimensions.

Did Protestants Agree With Trent on Anything?

Yes.

Both affirmed major historic Christian doctrines such as:

  • Trinity
  • Incarnation
  • Christ’s divinity
  • Resurrection
  • Original sin in broad terms
  • Need for grace
  • Importance of baptism
  • Reality of the church

The Reformation divided Western Christianity deeply.

But it did not create two religions sharing nothing in common.

Justification: How Far Apart?

Older polemics sometimes made the two positions appear almost completely opposite.

Modern Catholic-Lutheran dialogue has identified important areas of agreement, particularly concerning:

  • Priority of grace
  • Human inability to save oneself
  • Christ as source of salvation

The Joint Declaration on the Doctrine of Justification of 1999 represented a major ecumenical development.

But it did not eliminate all differences.

Established and Debated

A Berean study should distinguish clearly between established history and continuing theological debate.

Historically Established

  • Indulgence controversy helped trigger the Reformation.
  • Luther challenged papal and conciliar authority.
  • Protestants emphasized justification by faith and Scripture’s final authority.
  • Trent rejected key Protestant formulations.
  • Trent also undertook substantial internal reform.

Theologically Debated

  • Whether sola fide best expresses Paul.
  • Whether sola Scriptura is itself biblical.
  • Whether apostolic Tradition continues authoritatively outside Scripture.
  • Whether seven sacraments are biblically warranted.
  • Whether Catholic doctrines of Eucharist, purgatory, saints, and papacy faithfully develop biblical teaching.

These questions must be examined rather than settled merely by historical description.

Conversation Partners

Several major figures are especially important for this chapter.

Martin Luther

Luther made justification and scriptural authority central to his challenge to medieval church structures.

His theological courage was considerable, but his writings also include serious failures, including his later anti-Jewish polemics, which should not be minimized.

Philip Melanchthon

Melanchthon helped formulate Lutheran theology in a systematic and often conciliatory way.

He was principal author of the Augsburg Confession.

John Calvin

Calvin became one of the most important theologians of the Reformed tradition.

He emphasized Scripture, grace, union with Christ, and disciplined church life.

Huldrych Zwingli

Zwingli led reform in Zurich and helped create a distinct Swiss Reformation.

His disagreements with Luther over the Eucharist demonstrated the limits of Protestant unity.

Desiderius Erasmus

Erasmus represents Christian humanism and the call to return to biblical and patristic sources without joining the Protestant Reformation.

Ignatius of Loyola

Ignatius represents the spiritual and missionary renewal of post-Reformation Catholicism.

The Reformation and Christian Conscience

One of the most important Reformation themes concerned conscience.

Luther refused to recant simply because institutional authority demanded it.

This can sound admirable.

But conscience itself is not infallible.

A person’s conscience can be:

  • Mistaken
  • Poorly informed
  • Hardened

Therefore conscience must itself be formed by truth.

The deeper principle is:

conscience should not be forced to affirm what one believes contradicts God’s Word.

Romans 14 and Religious Authority

Paul’s teaching in Romans 14 provides an important balance.

Some matters allow different Christian convictions.

Paul warns believers not to:

  • Judge one another over disputable matters
  • Despise one another
  • Violate conscience

But the Reformation controversies concerned matters both sides considered essential.

This raises the difficult question:

Which doctrines are essential, and which allow legitimate diversity?

Christian history repeatedly struggles with that distinction.

The Fruits of the Reformation

The Reformation produced lasting effects beyond theology.

These included:

  • Bible translation
  • Expansion of literacy
  • Catechesis
  • Congregational singing
  • New church structures
  • Broader lay engagement with Scripture

But historical consequences should not be confused automatically with theological proof.

A movement can produce benefits and still contain errors.

The Costs of the Reformation

The Reformation also brought:

  • Ecclesiastical fragmentation
  • Persecution
  • Religious warfare
  • Confessional hostility
  • Destruction of religious art
  • Suppression of minorities

No major tradition emerged morally untouched.

This history should encourage humility rather than triumphalism.

Scripture and Tradition Revisited

The Reformation and Trent force us to revisit the same question that has appeared throughout this study:

What is the relationship between Scripture and the church?

Without the church, Scripture would not have been:

  • Copied
  • Preserved
  • Taught
  • Translated
  • Transmitted

But this does not necessarily mean the church stands above Scripture.

The biblical prophets repeatedly judged Israel’s religious institutions according to God’s Word.

Jesus judged religious tradition according to Scripture.

The apostles warned churches against false teaching.

Thus the Bible itself contains internal critique of religious institutions.

Jesus and Tradition

Jesus says:

“You have a fine way of rejecting the commandment of God in order to establish your tradition!”
— Mark 7:9

This does not condemn every tradition.

The issue is tradition that contradicts divine command.

This becomes a central Protestant argument.

Paul and Tradition

Paul also says:

“Stand firm and hold to the traditions that you were taught by us.”
— 2 Thessalonians 2:15

Catholic and Orthodox theologians emphasize passages such as this when defending apostolic Tradition.

Protestants generally respond that apostolic teaching is uniquely preserved normatively in Scripture.

Thus the debate depends upon what kind of tradition Paul means and how it continues after the apostles.

Apostles and Later Bishops

A crucial question emerges:

Are later bishops successors to the apostles in the same teaching authority?

Catholic and Orthodox traditions answer affirmatively in important respects.

Protestants usually distinguish:

  • Apostolic office as foundational and unrepeatable
  • Later pastoral ministry as derivative and accountable to the apostolic writings

Ephesians says the church is:

“built on the foundation of the apostles and prophets.”
— Ephesians 2:20

A foundation is laid once.

That image became significant in Protestant argument.

The Berean Problem

Imagine standing in Europe in 1520.

One side says:

The historic church, bishops, councils, and papal teaching possess authority.

Another says:

These authorities have departed from Scripture.

How should an ordinary Christian decide?

That is precisely the Berean problem.

The answer cannot simply be:

Trust whichever side claims authority.

The Christian must examine:

  • Scripture
  • Historical claims
  • Theological arguments
  • Context
  • Evidence

This is difficult.

But Acts commends the Bereans precisely because they examined apostolic preaching against Scripture.

Berean Reflection

The Reformation and the Council of Trent represent one of the most consequential turning points in Christian history.

Both sides believed the gospel was at stake.

The Reformers feared that centuries of ecclesiastical development had obscured:

  • Grace
  • Faith
  • Christ
  • Scripture

The Catholic Church believed the Reformers were breaking apart:

  • Apostolic tradition
  • Sacramental life
  • Church unity
  • Legitimate teaching authority

Neither side can be understood fairly by caricature.

Roman Catholic theology is not simply:

salvation by human works.

Historic Protestant theology is not simply:

everyone interprets the Bible however they want.

The real disagreement is deeper.

It concerns:

How does God’s grace save?

and:

How does God preserve truth in the church?

Those questions remain alive today.

Scripture as Our Final Authority

The Reformation placed a question before Western Christianity that the Berean Bible Study Project must also answer:

What happens when church authority and Scripture appear to conflict?

Paul writes:

“Even if we or an angel from heaven should preach to you a gospel contrary to the one we preached to you, let him be accursed.”
— Galatians 1:8

That is an extraordinary statement.

Paul places even:

  • himself
  • another apostle
  • an angel

under the standard of the apostolic gospel.

Likewise, Jesus says:

“Your word is truth.”
— John 17:17

And the Bereans:

“examined the Scriptures daily to see if these things were so.”
— Acts 17:11

This does not mean Christians should ignore:

  • Councils
  • Creeds
  • Tradition
  • Scholarship
  • Church history

All can be valuable.

But none can possess authority to overturn what God has revealed.

At the same time, Scripture must be interpreted responsibly.

The Reformation itself proves that sincere Christians can affirm biblical authority and still disagree.

Therefore sola Scriptura must not become:

sola individual interpretation.

The church still needs:

  • Teachers
  • Conversation Partners
  • Historical awareness
  • Linguistic study
  • Accountability

But every human authority remains secondary.

The Reformation fractured the medieval Western church.

In response, both Protestant and Catholic communities increasingly defined themselves through:

  • Confessions
  • Catechisms
  • Synods
  • Assemblies

The next chapter will examine several of the most influential Protestant examples:

Augsburg, Heidelberg, Dort, and Westminster.

Next Chapter → Chapter 10 — Augsburg, Heidelberg, Dort, and Westminster