The Ten Commandments

The Catholic claim

The Ten Commandments express covenant love of God and neighbor. They are not a discarded Old Testament relic, and they are not a ladder for self-salvation. Sinai names, in concrete form, what love of God and neighbor require: worship, truth, life, marriage, property, reputation.

In Christ they are fulfilled, not abolished. The Sermon on the Mount drives the law into the heart—anger, lust, oaths—and grace makes that life possible. Catholic moral catechesis still uses the Decalogue as its backbone because the goods it protects have not expired (CCC 2056).

Catechism of the Catholic Church
CCC 2056
CCC 2067
“The word "Decalogue" means literally "ten words." God revealed these "ten words" to his people on the holy mountain. They were written "with the finger of God," unlike the other commandments written by Moses.…”
Scripture
“The Ten Commandments state what is required in the love of God and love of neighbor. The first three concern love of God, and the other seven love of neighbor.…”
Love

Biblical evidence

God speaks the Ten Words at Sinai as covenant law, not as a tribal accident (Exodus 20:1–17; Deuteronomy 5). The first table concerns God: no other gods, no idols, the Name, the sabbath. The second concerns the neighbor: father and mother, murder, adultery, theft, false witness, coveting. Jesus does not set that law aside. He says he came not to abolish the law and the prophets but to fulfill them, then intensifies the commandments from the act to the heart (Matthew 5:17–48).

Asked for the greatest commandment, he sums the law in love of God and love of neighbor (Matthew 22:36–40). Paul agrees: the one who loves the neighbor has fulfilled the law, because love does no wrong to a neighbor (Romans 13:8–10). Love is not a replacement slogan; it is the same law kept as love rather than as a checklist that never touches the will.

Exodus 20:1-17
“God spoke all these words, saying, “I am Yahweh your God, who brought you out of the land of Egypt, out of the house of bondage.”
Deuteronomy 5
“Moses called to all Israel, and said to them, “Hear, Israel, the statutes and the ordinances which I speak in your ears this day,”
Matthew 5:17-48
“Don’t think that I came to destroy the law or the prophets. I didn’t come to destroy, but to fulfill. For most certainly, I tell you,”
Matthew 22:36-40
“Teacher, which is the greatest commandment in the law?” Jesus said to him, “‘You shall love the Lord your God with all your heart,”
Romans 13:8-10
“Owe no one anything, except to love one another; for he who loves his neighbor has fulfilled the law. For the commandments,”

Sacred Scripture
Deuteronomy 5
Exodus 20:1-17
“Moses called to all Israel, and said to them, “Hear, Israel, the statutes and the ordinances which I speak in your ears this day,”
Scripture
“God spoke all these words, saying, “I am Yahweh your God, who brought you out of the land of Egypt, out of the house of bondage.”
Scripture

Tradition and magisterium

Catechism Part Three uses the Decalogue as the structure of life in Christ. Aquinas locates the commandments within natural and revealed law: Sinai names what love of God and neighbor require in concrete form.

Magisterial teaching reads the commandments through the Sermon on the Mount: Christ fulfills and deepens them rather than discarding them for a lawless spirituality.

Catechism of the Catholic Church
CCC 2072
“Since they express man's fundamental duties towards God and towards his neighbor, the Ten Commandments reveal, in their primordial content, grave obligations. They are fundamentally immutable, and they oblige always and everywhere.…”
Obligation
Augustine
The Spirit and the Letter 23 · A.D. 412
A treatise on grace and the law, for Marcellinus.
He asks which of the Ten Commandments a Christian still keeps—except the old Sabbath rest.
“Well, now, I should like to be told what there is in these ten commandments, except the observance of the Sabbath, which ought not to be kept by a Christian. . . .”
Fathers
Ignatius of Antioch
Letter to the Magnesians 9 · A.D. 110
To the church at Magnesia.
He warns them not to Judaize and to do nothing apart from the bishop.
“[T]hose who were brought up in the ancient order of things [i.e. Jews] have come to the possession of a new hope, no longer observing the Sabbath, but living in the observance of the Lord’s day, on which also our life has sprung up again by him and by his death”
Fathers

History and development

Israel received the Decalogue at Sinai; the Church received it as fulfilled and deepened in Christ. Catechesis in every age returns to the commandments as the concrete shape of love of God and neighbor.

Aquinas and the Catechism read the commandments within natural and revealed law—not as a discarded Old Testament relic, and not as a ladder for self-salvation.

John Chrysostom
Homilies on Galatians 2:17 · A.D. 395
Sermons on Galatians.
He expounds Paul’s letter on faith, the Law, and Christian freedom.
“For though few are now circumcised, yet, by fasting and observing the sabbath with the Jews, they equally exclude themselves from grace... You have put on Christ, you have become a member of the Lord and been enrolled in the heavenly city, and you still grovel in the law [of Moses]? How is it possible for you to obt…”
Fathers

Mastery and practice

List the ten in order and split them into the two tables: love of God, love of neighbor. Then take one commandment inward the way Jesus does: “You shall not murder” already includes anger, and “You shall not commit adultery” already includes lust. Fulfillment is intensification, not deletion.

If someone says Christians are not under the law, distinguish the ceremonial yoke and self-justification from the moral path of life. Paul can say we are not under law and still list sins that exclude from the kingdom. If someone calls the commandments outdated tribal rules, name the goods: worship, life, marriage, truth. If someone says Jesus replaced rules with kindness, open the Sermon on the Mount. Kindness without those goods is not what he preached.

List the ten commandments in order.
Connect each table (God/neighbor).
Explain fulfillment in Christ.

Catechism of the Catholic Church
CCC 2056
CCC 2067
“The word "Decalogue" means literally "ten words." God revealed these "ten words" to his people on the holy mountain. They were written "with the finger of God," unlike the other commandments written by Moses.…”
Scripture
“The Ten Commandments state what is required in the love of God and love of neighbor. The first three concern love of God, and the other seven love of neighbor.…”
Love

Common objections

Christians are not under the law.

Christians are not under the Law as a system of self-justification or as the ceremonial yoke of the old covenant. The moral law remains a path of life; love fulfills it rather than voids it (Romans 13:8–10; Matthew 5:17–20). Freedom from the Law’s curse is not freedom to ignore God’s will. Paul can say we are not under law and still list sins that exclude from the kingdom. Antinomian slogans flatten a distinction Paul keeps carefully.

The commandments are outdated tribal rules.

They protect permanent human goods: worship of the true God, truth-telling, life, marriage, property, and reputation. Applications develop with new technologies and social forms; the goods endure. Calling them tribal often means refusing permanent goods under the cover of anthropology. “Do not murder” and “do not bear false witness” are not Bronze Age quirks. If these are obsolete, so is most of what we still call justice when we are the victims.

Jesus replaced rules with kindness.

Jesus radicalizes holiness of heart—anger as murder’s root, lust as adultery’s root—not a vague niceness that deletes the commandments. Kindness without truth is not the Gospel he preached. The Sermon on the Mount intensifies the Law; it does not delete it. “Love your enemies” is harder than a checklist, not softer. Reducing Jesus to a therapist of warm feelings misses the Judge who also says, “If you love me, you will keep my commandments” (John 14:15).

Sources

Citations for this article. Browse the full bibliography to see every place each source is used across the library.

Catechism

CCC 2056

Decalogue in Sacred Scripture

The word "Decalogue" means literally "ten words." God revealed these "ten words" to his people on the holy mountain. They were written "with the finger of God," unlike the other commandments written by Moses.…

CCC 2056. Scripture

Open source Also in bibliography

Catechism

CCC 2067

Ten Commandments and the love of God and neighbor

The Ten Commandments state what is required in the love of God and love of neighbor. The first three concern love of God, and the other seven love of neighbor.…

CCC 2067. Love

Open source Also in bibliography

Catechism

CCC 2072

Obligatory character of the Decalogue

Since they express man's fundamental duties towards God and towards his neighbor, the Ten Commandments reveal, in their primordial content, grave obligations. They are fundamentally immutable, and they oblige always and everywhere.…

CCC 2072. Obligation

Open source Also in bibliography

Scripture

Exodus 20

The Decalogue.

Exodus 20:1-17. Foundational text.

Open source In bibliography

Scripture