Why are stealing and cheating wrong?
The short answer
The Seventh Commandment — "you shall not steal" — protects justice in how we handle material things. It forbids taking or keeping what belongs to others and, more broadly, every form of cheating, fraud, and unfair dealing. Positively, it calls us to honesty, fair wages and prices, keeping promises, making restitution for what we've wronged, and using our goods generously — especially for the poor.
Full explanation
On the surface this commandment is simple: don't take what isn't yours. But the Church reads it as a whole charter for justice in our material life, and it turns out to be surprisingly far-reaching.
Obviously it forbids outright theft — taking another's property against their reasonable will. But it also condemns the subtler, "respectable" forms of stealing that rarely feel like robbery: cheating in business, fraud, paying unjust wages, price-gouging, shoddy work, fiddling taxes, breaking contracts, not repaying debts, and exploiting others' weakness or ignorance for gain. The worker who slacks while being paid, and the employer who underpays, both offend against this commandment. Scripture is fierce about defrauding workers: the wages withheld from labourers "cry out" to God.
The commandment carries real duties, not just prohibitions. If you've stolen or cheated someone, justice requires restitution — returning what was taken or making it right as far as possible (as Zacchaeus did, repaying fourfold). Promises and contracts are to be kept. Honesty is owed in all dealings.
Behind it lies a bigger principle the Church calls the universal destination of goods: God gave the earth and its resources for everyone. Private property is legitimate and good — it gives people security and freedom and rewards work — but it's never absolute. What we own carries a "social mortgage": we're stewards, not just owners, and our surplus is meant, in part, for those in need. That's why this commandment also grounds the duty to care for the poor, to practice generosity and almsgiving, and to seek a just economic order. Caring for creation — not wasting or wrecking the resources meant for all, including future generations — belongs here too.
So "you shall not steal" turns out to be about far more than burglary. It's a call to be just, honest, hardworking, and generous with everything we have.
Why this matters
Most of us will never rob a bank, but nearly everyone faces daily questions of honesty and fairness: how we work, spend, charge, pay, and share. This commandment forms us into people who can be trusted with money and goods, and who see their possessions as a trust to be used well — including for those who have little. A world that took it seriously would have far less exploitation and far more generosity.
Myth Common misunderstanding
One misunderstanding is that this commandment only bans dramatic theft, so everyday cheating, unfair dealing, or stiffing workers doesn't really count. The Church includes all of these. The opposite misunderstanding treats it as hostility to private property or wealth; in fact the Church affirms the right to property while insisting it serves the common good and the needs of all.
Scripture connections
- Exodus 20:15 — "you shall not steal," the commandment itself.
- Ephesians 4:28 — the thief should "labour and work honestly… so as to have something to share."
- Luke 19:8 — Zacchaeus makes restitution, repaying fourfold what he had defrauded.
- Deuteronomy 24:14-15 — pay workers their wages promptly; don't oppress the poor.
- James 5:4 — the withheld wages of labourers "cry out," and God hears.
Church teaching references
Reflect
Where might "respectable" dishonesty have crept into how you work, spend, or deal with others — and is there anything you owe someone (in money, work, or fairness) that you could make right?