Pillar III — How We Live

The Ten Commandments

"If you love me, you will keep my commandments" (John 14:15). The Decalogue is not a cage — it is the shape love takes when it is lived out faithfully, given by a Father who wants His children to flourish.

God gave the Ten Commandments to Moses on Mount Sinai after freeing Israel from slavery in Egypt (Exodus 20). They fall naturally into two tables: the first three commandments concern our love of God, and the last seven concern our love of neighbor — exactly the "two greatest commandments" Christ later named as the summary of the whole Law: to love God with all your heart, and your neighbor as yourself (Matthew 22:37–40).

Two Tables, One Law

Commandments 1–3: Love of God

Commandments 4–10: Love of neighbor

"On these two commandments depend all the law and the prophets." — Matthew 22:40

II am the Lord your God; you shall not have strange gods before me+

The first commandment calls us to worship God alone, with faith, hope, and love that outrank every other loyalty. It forbids idolatry — placing anything above God, whether an image, an ideology, money, or even a good thing like career or comfort — and calls us instead to a life ordered entirely around Him.

IIYou shall not take the name of the Lord your God in vain+

God's name is holy. This commandment calls us to reverence in how we speak of God, to keep our oaths and promises, and to use the divine name only in prayer, praise, and blessing — never carelessly or as a curse.

IIIRemember to keep holy the Lord's Day+

God rested on the seventh day of creation, and asks us to imitate Him. Catholics keep Sunday — the day of the Resurrection — holy through participation in the Mass and by resting from unnecessary work, making room for worship, family, and genuine rest.

IVHonor your father and your mother+

The first commandment concerning neighbor begins at home. Children owe their parents respect, gratitude, and obedience; parents owe their children love, formation in the faith, and a good example. The command extends by analogy to all legitimate authority exercised for the common good.

VYou shall not kill+

Human life is sacred from conception to natural death because every person is made in the image of God. This commandment protects life directly — forbidding murder, abortion, and euthanasia — and indirectly, by calling us away from anger, hatred, and the neglect of those in need.

VIYou shall not commit adultery+

This commandment protects marriage and calls every person, married or not, to chastity — the integration of sexuality into a life of authentic self-giving love, rather than self-gratification at another's expense.

VIIYou shall not steal+

This commandment protects the right to private property and calls for justice in all our dealings — honesty in business, fairness to workers, care for the goods entrusted to us, and respect for what belongs to others, including the goods of the earth we all share.

VIIIYou shall not bear false witness against your neighbor+

Truthfulness is a debt we owe one another. This commandment forbids lying, gossip, slander, and the destruction of another's reputation, and calls us instead to speak the truth in charity — even, and especially, when it is inconvenient.

IXYou shall not covet your neighbor's wife+

Where the sixth commandment governs actions, the ninth governs the heart: it calls for purity of desire and interior mastery over disordered longing, recognizing that sin is often conceived long before it is committed.

XYou shall not covet your neighbor's goods+

The final commandment addresses envy and greed at their root, calling us to a spirit of gratitude and detachment — trusting that God provides what we need, rather than measuring our lives against what belongs to someone else.

"Do not think that I have come to abolish the Law or the Prophets; I have not come to abolish them but to fulfill them." Matthew 5:17

Next: the story behind the law

See where the Commandments come from in the pages of Sacred Scripture.

Explore Sacred Scripture →