Indulgences: What They Are, What Went Wrong, and Why the Reformation Objected
“Indulgence” is one of those church-history words that almost instantly produces a caricature.
The popular version goes like this:
Medieval Catholics paid money to the Church so that their sins—or the sins of dead relatives—would be forgiven.
That description captures something real about the abuses surrounding indulgence preaching, but it is not an accurate statement of official Catholic doctrine.
Catholicism has never formally defined an indulgence as the purchase of forgiveness from God.
So what is an indulgence?
And why did the practice become explosive enough to help trigger the Protestant Reformation?
The Catholic Definition
The Catechism of the Catholic Church defines an indulgence as the remission before God of temporal punishment due to sins whose guilt has already been forgiven.
That distinction is essential.
In Catholic theology, forgiveness restores communion with God, but the effects or temporal consequences of sin may remain.
An indulgence therefore does not forgive an unrepentant mortal sin.
It is not supposed to replace confession, repentance, or Christ.
The Church applies an indulgence to a properly disposed Christian from what Catholic theology calls the treasury of the satisfactions of Christ and the saints.
This system is linked directly to purgatory.
Guilt and Temporal Punishment
Catholic theology distinguishes between:
- the guilt of sin;
- eternal punishment due to mortal sin;
- temporal punishment or purification that may remain after forgiveness.
An everyday analogy sometimes helps.
If a child breaks a neighbor’s window and is forgiven, the relationship may be restored while the broken window still needs repair.
Catholic theology sees something analogous in sin: forgiveness does not necessarily erase every consequence or need for purification.
The analogy is imperfect, but it helps explain why Catholicism can affirm complete dependence on Christ while also speaking of penance and temporal punishment.
The Ancient Roots: Penance
The mature indulgence system did not appear fully formed in the apostolic age.
Its roots lie partly in the ancient Church’s penitential discipline.
Serious public sins could involve lengthy periods of penance before full restoration to communion. Bishops had authority to regulate, reduce, or commute penitential discipline in particular cases.
The communion of saints also mattered. Christians prayed for one another, martyrs interceded for penitents, and the Church understood salvation corporately rather than as an isolated transaction between an individual and God.
These are real ancient foundations.
But the later doctrine of a treasury of merit administered through standardized indulgences is a development beyond the earliest penitential practice.
Medieval Development
As penitential practice changed, the system became more elaborate.
Certain works—prayers, pilgrimages, almsgiving, participation in crusades, and other acts—could be associated with remissions of temporal punishment.
By the high Middle Ages, indulgence theology had become integrated with the doctrines of purgatory, satisfaction, and the treasury of merit.
The system could be understood in a deeply spiritual way.
But it was also vulnerable to abuse.
When indulgences became associated with fundraising, popular preaching could make them sound like spiritual transactions.
That is where the historical scandal becomes impossible to ignore.
Were Indulgences Literally Sold?
Official Catholic theology did not say:
“Pay money and God must forgive your sin.”
But money did become entangled with indulgence campaigns.
Almsgiving could be one of the good works associated with an indulgence. Fundraising projects—including church construction—could benefit.
This created conditions in which preaching could become crass, manipulative, or commercially suggestive.
Johann Tetzel became the most famous indulgence preacher associated with the controversy that erupted around Martin Luther.
The rhyme often attributed to indulgence preaching—
“As soon as the coin in the coffer rings, the soul from purgatory springs”
—captures the scandalous popular impression, even though historical precision about exact wording and attribution is necessary.
The larger reality does not depend on that rhyme being quoted perfectly: indulgence practice had become financially and pastorally compromised enough to provoke serious criticism.
Luther’s Ninety-Five Theses
In 1517, Martin Luther issued the Ninety-Five Theses.
At this stage, Luther was not yet presenting the complete Protestant theology of his later career.
Much of the document attacks abuses, false confidence, manipulative preaching, and exaggerated papal claims concerning purgatory.
Luther argued that true Christian repentance cannot be reduced to a commercial or canonical mechanism.
He also asked a devastating pastoral question: if the pope could release souls from purgatory, why would he do so for money connected with church building rather than simply from love?
The theses did not immediately reject every possible form of indulgence, but they struck at the logic and practice of the late medieval system.
Rome Also Admitted Abuses
Catholic apologetics sometimes responds to the Reformation by saying, “The Church never sold forgiveness.”
There is truth in that sentence, but used alone it can become evasive.
Catholic authorities themselves acknowledged serious abuses.
The Council of Trent retained indulgences but ordered that “all evil gains” connected with them be abolished.
Paul VI’s 1967 apostolic constitution Indulgentiarum Doctrina likewise acknowledged that indulgences had at times been improperly used and had become associated with illicit profits.
So a fair Catholic defense should say two things at once:
- the official doctrine was more sophisticated than “buy salvation”;
- abuses were real enough that the Church itself condemned them.
The Treasury of the Church
Modern Catholic teaching explains the “treasury” carefully.
It is not a literal heavenly bank account.
Paul VI stated that the treasury is fundamentally the infinite value of Christ’s redemption, together with the prayers and good works of Mary and the saints understood within the communion of Christ’s body.
Catholics therefore see indulgences as ecclesial participation in Christ’s merits, not as a rival economy of salvation.
The Orthodox question is whether this later conceptual system is necessary or truly apostolic.
The Orthodox Perspective
Orthodoxy knows penance.
It knows spiritual consequences of sin.
It knows prayer for the departed.
It knows the communion of saints.
It knows that bishops exercise pastoral authority in applying penitential discipline.
What Orthodoxy does not have is the developed Roman system of indulgences as remissions of defined temporal punishment drawn from a treasury of satisfactions.
This makes indulgences a good example of a broader Catholic–Orthodox difference.
The raw materials may be ancient.
The disputed issue is whether the later Latin synthesis represents a legitimate doctrinal development or an unnecessary juridical systematization.
Does the Modern Church Still Teach Indulgences?
Yes.
Indulgences were not abolished after Vatican II.
Paul VI revised their discipline in 1967.
Modern Catholic practice distinguishes partial and plenary indulgences. A plenary indulgence requires the prescribed work along with conditions such as sacramental confession, Eucharistic communion, prayer for the pope’s intentions, and freedom from attachment to sin.
The old language assigning specific numbers of “days” or “years” to partial indulgences was abolished.
So indulgences remain an official part of Catholic theology and practice, even though the modern presentation is often far removed from the late medieval abuses associated with the Reformation.
Final Verdict
It is inaccurate to say that Catholic doctrine simply allowed Christians to buy forgiveness. But it is also inaccurate to pretend that the indulgence controversy was invented by Protestant propaganda.
The historical picture is more complicated.
Ancient Christianity contained:
- serious penitential discipline;
- episcopal authority to regulate penance;
- intercession within the communion of saints;
- prayer for the departed.
Over time, the Latin West developed these ideas into a more technical system involving temporal punishment, purgatory, satisfaction, a treasury of merit, and indulgences.
That system became entangled with financial abuses serious enough to help ignite the Reformation and serious enough for Catholic authorities themselves to condemn.
The Orthodox critique should therefore focus not on the false claim that Catholics believe money purchases salvation, but on the deeper question:
Does the mature indulgence system represent the apostolic Church’s penitential faith—or a later Western juridical development built from ancient elements?
That is the historically responsible debate.
Key Sources
Primary and official sources
- Matthew 16:19; 18:18.
- 1 Corinthians 12; Colossians 1:24.
- Ancient penitential canons and practices.
- Martin Luther, Ninety-Five Theses (1517).
- Council of Trent, Session XXV, Decree on Indulgences.
- Paul VI, Indulgentiarum Doctrina (1967).
- Catechism of the Catholic Church, §§1471–1479.
Modern scholarship
- R. N. Swanson, Indulgences in Late Medieval England.
- John W. O’Malley, Trent: What Happened at the Council.
- Eamon Duffy, The Stripping of the Altars.
- Diarmaid MacCulloch, The Reformation.