How to Make a Good Confession?

A Sacrament, Not Just a Moral Inventory

Christian confession is neither therapy, nor a moral audit, nor a self-improvement exercise. It is a sacrament: a sensible sign instituted by Christ that truly produces what it signifies — here, the forgiveness of sins and the restoration of the life of grace^[1]. The Catechism reminds us that only God forgives sin, but that Jesus, as the Son of God, wished to entrust the exercise of this power to his Church:

“Receive the Holy Spirit. Whose sins you forgive, they are forgiven them; whose sins you retain, they are retained.”
— Jesus to the Apostles on Easter evening, Gospel of John 20:22-23^[2]

That is why a “good” confession is not primarily measured by eloquence or psychological thoroughness of the account, but by the disposition of the heart and respect for the conditions set by Christ and his Church. A confession can be brief and excellent; it can also be long and detailed — yet invalid if an essential condition is missing.

Conditions for a Valid and Fruitful Confession

Catholic theology, definitively established at the Council of Trent (1545-1563), distinguishes two aspects in the sacrament: the action of God through the ministry of the Church (absolution) and the acts of the penitent^[3]. On the human side, these acts number three for the matter of the sacrament — contrition, confession, and satisfaction — to which practical tradition adds, beforehand, the examination of conscience and the firm purpose as the inner dimension of contrition.

“Penance obliges the sinner to willingly accept all its elements: in his heart, contrition; on his lips, confession; in his conduct, complete humility or fruitful satisfaction.”
— Roman Catechism, II, 5, 21, cited by the Catechism of the Catholic Church^[4]

Two things must be distinguished here. A confession is valid if the essential elements are present: a sin that is matter of the sacrament, at least imperfect contrition — which already includes, by its very essence, a sincere heart, the true purpose of sinning no more and the will to make satisfaction and reparation^[5][6] —, full confession, and absolution by a priest with faculties. Without this purpose of conversion and without this will to make satisfaction, there is no valid confession. It is fully fruitful — that is, it bears its full fruit of grace — according to the fervor and generosity of these same dispositions: depth of regret, firmness of purpose, promptness in actually carrying out the penance received. For while the will to make satisfaction belongs to the dispositions required for validity, the actual accomplishment of the penance follows absolution and completes the healing^[7]. A “good” confession aims at both: sincere essential dispositions, and all their fervor.

Catholic tradition summarizes the penitent’s approach in five steps, easy to remember and found in all preparation manuals: examine one’s conscience, regret one’s sins, resolve not to sin again, confess them to the priest, and then perform the assigned penance. The three central acts — contrition, confession, satisfaction — are dogmatically defined by Trent^[8]. Here they are in the order the penitent experiences them.

First Step: Examination of Conscience

Before confessing, one must know what to confess. The examination of conscience is a clear and prayerful look at one’s life since the last confession. The Catechism recommends doing this in the light of the Word of God:

“It is appropriate to prepare to receive this sacrament by an examination of conscience enlightened by the Word of God. The most suitable texts for this purpose are to be found in the Decalogue and in the moral catechesis of the Gospels and apostolic letters [...]” — Catechism of the Catholic Church, § 1454^[9]

Practically, one reviews one’s life using the Ten Commandments, the twofold commandment of love (God and neighbor), the Beatitudes, and the seven capital sins. The examination is not anxious introspection but a bringing to light: where have I failed in love of God, neighbor, and myself? Ideally, it is done in prayer, asking the Holy Spirit for light on one’s own faults — for the danger is not only to see too much, but to see too little.

Second Step: Contrition

Contrition is the heart of the sacrament. Without it, no confession is valid. Trent defines it as:

“[Contrition is] sorrow of soul and detestation for the sin committed, together with the resolution not to sin in the future.” — Council of Trent, Session XIV, Doctrina de sacramento pœnitentiæ^[10]

Tradition distinguishes two degrees of contrition, and this distinction is decisive in practice. Perfect contrition (or contrition of charity) arises from love of God above all else; it immediately remits venial sins and even obtains forgiveness of mortal sins, provided it includes the firm resolution to confess as soon as possible^[11]. Imperfect contrition (or attrition) arises rather from the consideration of the ugliness of sin or fear of damnation. It too is a gift of the Holy Spirit: by itself, it does not obtain forgiveness of mortal sins, but it disposes one to receive it in the sacrament^[12].

The practical consequence is important: a faithful person in a state of mortal sin who makes, in danger of death and without a priest available, an act of perfect contrition regains grace — but remains bound to confess this sin in confession as soon as possible^[13]. Imperfect contrition suffices to validly receive absolution: the Church does not require perfect love as a prerequisite, which would be discouraging; she welcomes the sinner at the first sincere movement of regret.

Third Step: Firm Purpose of Amendment

The firm purpose of amendment — the resolution not to sin again — is not a separate act: it is included in the very definition of contrition (“with the resolution not to sin in the future”). But it deserves emphasis, because many stumble here. Must one be certain never to fall again in order to confess sincerely? No. What is required is the present and sincere will to break with sin and avoid occasions that lead to it — not a guarantee about the future, which no one can give. One can truthfully confess a sin one has already fallen into ten times, provided that at the moment of confession one really wants to turn away from it and take the means to succeed.

Fourth Step: Confession of Sins

The confession (the actual confession) is the part of the sacrament where the penitent states their sins to the priest — a confession that the Church wants to be integral, that is, complete, without deliberately withholding any grave sin. Trent sets the rule, still in force:

“Penitents must, in confession, enumerate all mortal sins of which they are aware after serious examination, even if these sins are very secret [...].” — Council of Trent, cited by the Catechism of the Catholic Church, § 1456^[14]

Three practical clarifications follow from this rule. First, the confession of mortal sins is obligatory: all must be confessed, according to their species (the nature of the sin) and their number (at least approximately), without deliberately withholding any. Second, the confession of venial sins is not strictly necessary, but it is strongly recommended^[15]. Third, the involuntary omission of a mortal sin does not invalidate the confession: the sin is forgiven with the others but must be mentioned at the next confession as soon as it comes to mind. The Catechism here quotes Saint Jerome with a famous image:

“If the sick man is ashamed to show his wound to the doctor, the medicine does not heal what it does not know.” — Saint Jerome, Commentary on Ecclesiastes 10, 11, cited by the Council of Trent^[16]

Fifth Step: Satisfaction

Absolution removes sin but does not instantly repair all the disorder it caused. The penitent must therefore perform satisfaction — the “penance” imposed by the priest:

“Freed from sin, the sinner must still recover full spiritual health. He must therefore do something more to repair his sins.” — Catechism of the Catholic Church, § 1459^[17]

This penance — a prayer, an offering, a work of mercy, a service, a voluntary deprivation — should correspond, as far as possible, to the gravity and nature of the sins committed^[18]. It does not “buy back” forgiveness, which is entirely free: it configures the sinner to Christ, who alone truly expiated for our sins, and helps detach from attachment to evil. When sin has caused real harm to another — theft, slander — satisfaction includes concrete reparation: restitution, restoring reputation, compensation. Simple justice demands it^[19].

An Examination of Conscience in the Light of the Decalogue

Here is a framework for examination, to be adapted to one’s state of life. It follows the order of the Ten Commandments, illuminated by the double commandment of love of God and neighbor.

The essential point is not to tick boxes but to let the Word of God enlighten the conscience and to name one’s faults truthfully—without exaggerating them through scrupulosity or diluting them with excuses.

How Often Should One Confess?

The Church sets a minimum and proposes an ideal. The minimum is the precept: “Every member of the faithful who has reached the age of discretion is obliged to confess faithfully their grave sins at least once a year”^[20]. Above all, anyone conscious of mortal sin must not receive Communion without first confessing — except for the exceptional case provided for by the Church: a grave reason for receiving Communion combined with the impossibility of confessing, along with an act of perfect contrition including the resolution to confess as soon as possible^[21]. The ideal is regular confession, including of venial sins:

“Regular confession of our venial sins helps us form our conscience, fight against our evil tendencies, allow ourselves to be healed by Christ, and progress in the life of the Spirit.” — Catechism of the Catholic Church, § 1458^[22]

Saint Francis de Sales, in his Introduction to the Devout Life, already recommended frequent and humble confession for the faithful who desire to advance, considering it one of the great means of interior life^[23]. For many, a rhythm of one confession per month is fruitful.

Distinguishing Mortal Sin from Venial Sin

The entire practice of confession rests on this distinction, which must be known to examine oneself properly. Mortal sin destroys charity in the heart: it requires grave matter, committed with full knowledge and deliberate consent. Venial sin wounds charity without destroying it. Only mortal sins must be confessed; but confessing venial faults is a powerful means of growth. For details on this crucial distinction, see the article What is the difference between mortal sin and venial sin?.

Many faithful who have been away from the practice hesitate to return simply because they no longer know how it works. Here is the ordinary procedure, as described by the ritual^[24]. It can be experienced in the traditional confessional (with a screen) or face to face, depending on the place and the penitent’s choice.

1. The Welcome. Greet the priest. He welcomes you in the name of Christ, sometimes with a word from Scripture. You may begin with the sign of the cross: “In the name of the Father, and of the Son, and of the Holy Spirit.”
2. Situating Yourself. It is helpful to briefly indicate your situation and the approximate date of your last confession: “Father, my last confession was...” This helps the priest accompany you.
3. The Confession. Confess your sins simply, preferably starting with the gravest, without justifying yourself or blaming others. There is no need to tell the whole story: the point is to name your own faults.
4. The Priest’s Response. The priest may ask a question, give advice, encourage. He then proposes a penance (a prayer, a concrete act).
5. The Act of Contrition. The penitent expresses sorrow, often with a learned prayer. The most classic:

“My God, I am heartily sorry for having offended You, because You are infinitely good, infinitely lovable, and sin displeases You. I firmly resolve, with the help of Your holy grace, to sin no more and to do penance.” — Act of Contrition, traditional formula

6. Absolution. The priest extends his hand and pronounces the formula of forgiveness: “...And I, in the name of the Father, and of the Son, and of the Holy Spirit, forgive you all your sins.” One responds: “Amen.” This is the moment when God Himself, through the minister, remits the sins^[25].
7. The Dismissal. The priest dismisses the reconciled penitent: “The Lord has freed you from your sins. Go in peace.” You then promptly carry out the penance given.

What to Say If You Feel Stuck or Embarrassed?

There is no “magic formula.” If you don’t know where to start, the simplest thing is to say so: “Father, I don’t really know how to do this; it’s been a long time.” The priest is there precisely to help you confess, not to judge. You can also prepare your faults in writing and read your paper—many do. What matters is integrity (not hiding anything deliberately) and truth of heart, not performance.

Shame and Fear of Judgment

The first obstacle is shame. Properly understood, shame is part of healing: it is what drives one to “show the wound to the doctor.” The priest is bound by absolute secrecy (see below) and has heard everything: nothing scandalizes him. The holy Curé of Ars emphasized the disproportion between our sins and God’s mercy:

“Our faults are grains of sand beside the great mountain of the mercies of God.” — Saint John Mary Vianney, Curé of Ars^[26]

Deliberately Hiding a Sin: Sacrilegious Confession

This is the gravest obstacle because it renders the confession invalid and sacrilegious. Consciously hiding a mortal sin out of shame does not lessen anything: it adds sacrilege to the sins kept hidden. The Council of Trent is clear:

“Those who [...] knowingly conceal some [sins] offer nothing to divine goodness that it can remit through the priest.” — Council of Trent, cited by the Catechism of the Catholic Church, § 1456^[27]

The rule of common sense: what is hardest to say is often precisely what must be said. If one has previously made one or more confessions while hiding a serious sin, it must be confessed now, acknowledging the sacrilegious confessions and communions that followed, and everything starts anew.

Scruples: Confessing Without End

Opposite to negligence, scruples are the tendency to see mortal sin everywhere, to constantly doubt the validity of one’s confessions, and to want to repeat everything. It is a real suffering but not humility: it is a trap. The classic and proven remedy is obedience: choose a stable, wise and experienced confessor, explain the problem to him, and submit to his judgment rather than your own, for the scrupulous doubts entrusted to him. A scrupulous soul who thus obeys is safe in conscience, even if one’s director could be mistaken in his judgment: God then asks only one thing, obedience^[28].

“I Have Nothing to Confess” / “God Forgives Me Without a Priest”

Two frequent objections. To “I have nothing to confess,” Scripture replies: “If we say we have no sin, we deceive ourselves, and the truth is not in us” (1 Jn 1:8). A serious examination always finds something, even if only venial sins and omissions. To “God can forgive me directly,” the answer is that God indeed can—and it is precisely He who chose to act through the ministry of the Apostles and their successors (Jn 20:23). On this specific point, see Why confess to a priest? and Is confession biblical?.

A common fear—“What if the priest repeats what I said?”—runs up against one of the Church’s strictest disciplines. Everything said in confession is covered by the sacramental seal, an absolute secret, without any exception:

“Given the delicacy and greatness of this ministry and the respect due to persons, the Church declares that every priest who hears confessions is bound under very severe penalties to keep absolute secrecy regarding the sins that his penitents have confessed to him (CIC, can. 1388, § 1; CCEO, can. 1456). He can make no use of knowledge that confession gives him about penitents’ lives. This secret, which admits of no exceptions, is called the ‘sacramental seal,’ for what the penitent has made known to the priest remains ‘sealed’ by the sacrament.” — Catechism of the Catholic Church, § 1467^[29]

A priest who directly violates this seal incurs excommunication reserved to the Holy See^[30]. No civil authority, threat, or “higher” reason can release him from it: priests have died rather than betray a penitent—such as Saint John Nepomucene, venerated as a martyr of the seal of confession. The penitent can therefore speak with complete safety.

Why go to such trouble? Because the effects of the sacrament are immense. The Catechism lists them: reconciliation with God — which restores grace and divine friendship —, reconciliation with the Church, the remission of the eternal punishment due to mortal sin, the remission, at least partial, of the temporal punishments due to sin, peace and tranquility of conscience, and an increase in strength for the spiritual battle^[31].

“The sacrament of reconciliation with God brings about a true ‘spiritual resurrection,’ a restoration of the dignity and goods of the life of the children of God, the most precious of which is the friendship of God.” — Catechism of the Catholic Church, § 1468^[32]

Saint Faustina heard Christ designate the confessional not as a court of condemnation, but as the privileged place of mercy:

“Tell souls where they are to look for consolation, in the tribunal of mercy; there the greatest miracles take place, which are constantly renewed.” — Jesus to Saint Faustina, Diary, § 1448^[33]

For those who want to learn how to make a good confession, the saints are the best guides. Saint John Mary Vianney, the Curé of Ars (1786-1859), spent up to seventeen hours a day in the confessional^[34] and was proclaimed patron of parish priests^[35]; he taught that God’s greatest pleasure is to forgive^[36]. Saint Pio of Pietrelcina (Padre Pio, 1887-1968), besieged all day long by penitents, was said to read souls: Antonio Tarallo thus recounts the 1944 episode, near Foggia, where the saint gave absolution to a soldier only after the avowal and repentance of the sin he was concealing^[37] — reminding us that the sacrament is not automatic but a meeting of truth. Finally, Saint Faustina bequeathed to the Church the devotion to Divine Mercy, which sheds a gentle light over the entire act of confessing.

All say the same thing in different ways: confession is not the humiliation of the sinner, but the triumph of mercy. To do it well is first of all to believe in it — to believe that God waits, like the father in the parable watching for the return of the prodigal son (Lk 15:20).

• Is Confession Biblical? — the scriptural foundation of the sacrament.
• Why Confess to a Priest? — the answer to the most frequent objection.
• What Is the Difference Between Mortal and Venial Sin? — the distinction that structures the examination of conscience.
• Can One Receive Communion in a State of Mortal Sin? — the link between confession and communion.
• How Do I Know if God Forgives Me? — assurance of received forgiveness.
• What Is Reconciliation with God? — the deep meaning of the sacrament.