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Thou shalt not bear false witness: the ninth commandment

What Christian writers said, from about AD 375 to 1911.

45 passages · 24 writers · 7 centuries

The short answer

The writers read the ninth commandment as forbidding false witness against a neighbour, in court and out of it, and lying and deceit in general. Luther, Calvin, and Hodge extend it to slander, because injuring a neighbour's good name with the tongue is false witness. Some apply it to true reports too: Luther says that if you tell a neighbour's fault to others, although it be true, you appear as a liar because you cannot prove it, and Wesley says needlessly repeating the real fault of a neighbour is evil-speaking unless it is necessary for certain ends. The commandment also requires maintaining truth between people and standing up for a neighbour's name, and Watson says a man may wrong another by silence as well as by slander when he knows him to be wrongfully accused.

What the commandment forbids: false witness, lying, and deceit

20 passages · 14 writers · 300s to 1800s

Wesley and Henry list lying, equivocating, and deceiving a neighbour, and bearing false witness on oath or in common converse. The Westminster Larger Catechism lists giving false evidence and lying, and the Heidelberg Catechism says to avoid every kind of lying and deceit. Cook says the commands of Exodus 23.1 illustrate the ninth commandment mainly in reference to giving evidence in legal causes, and Barnes says false witness is giving wrong testimony.

1563 · Zacharias Ursinus and Caspar Olevianus (Heidelberg theologians), The Heidelberg Catechism 112

A. That I never give false testimony against anyone, twist no one’s words, not gossip or slander, nor join in condemning anyone rashly or without a hearing. Rather, I should avoid, under penalty of God’s wrath, every kind of lying and deceit as the very works of the devil; and, in court and everywhere else, I should love the truth, speak it candidly, and openly acknowledge it.

1647 · Westminster Assembly, The Westminster Larger Catechism 145

Q. What are the sins forbidden in the ninth commandment? A. The sins forbidden in the ninth commandment are, all prejudicing the truth, and the good name of our neighbors, as well as our own, especially in public judicature; giving false evidence, suborning false witnesses, wittingly appearing and pleading for an evil cause, outfacing and overbearing the truth; passing unjust sentence, calling evil good, and good evil; rewarding the wicked according to the work of the righteous, and the righteous according to the work of the wicked; forgery, concealing the truth, undue silence in a just cause, and holding our peace when iniquity calleth for either a reproof from ourselves, or complaint to others; speaking the truth unseasonably, or maliciously to a wrong end, or perverting it to a wrong meaning, or in doubtful or equivocal expressions, to the prejudice of the truth or justice; speaking untruth, lying, slandering, backbiting, detracting, talebearing, whispering, scoffing, reviling, rash, harsh, and partial censuring; misconstructing intentions, words, and actions; flattering, vainglorious boasting, thinking or speaking too highly or too meanly of ourselves or others; denying the gifts and graces of God; aggravating smaller faults; hiding, excusing, or extenuating of sins, when called to a free confession; unnecessary discovering of infirmities; raising false rumors, receiving and countenancing evil reports, and stopping our ears against just defense; evil suspicion; envying or grieving at the deserved credit of any; endeavoring or desiring to impair it, rejoicing in their disgrace and infamy; scornful contempt, fond admiration; breach of lawful promises; neglecting such things as are of good report, and practicing, or not avoiding ourselves, or not hindering what we can in others, such things as procure an ill name.

1765 · John Wesley, Explanatory Notes on Exodus 20.16

Thou shalt not bear false witness - This forbids, 1. Speaking falsely in any matter, lying, equivocating, and any way devising and designing to deceive our neighbour. 2. Speaking unjustly against our neighbour, to the prejudice of his reputation; And 3. (which is the highest offense of both these kinds put together) Bearing false witness against him, laying to his charge things that he knows not, either upon oath, by which the third commandment, the sixth or eighth, as well as this, are broken, or in common converse, slandering, backbiting, tale-bearing, aggravating what is done amiss, and any way endeavouring to raise our own reputation upon the ruin of our neighbour's.

Slander, backbiting, and a neighbour's good name

21 passages · 15 writers · 1500s to 1900s

Luther, Calvin, Hodge, and Henry say that injuring a neighbour's reputation with the tongue is false witness. Luther says no one is to do injury with the tongue to his neighbor or speak evil of him, whether it be true or false, unless it is done by commandment or for his reformation. Wesley calls needless repeating of a neighbour's real fault evil-speaking, South asks whether telling a truth with malice is not as black a sin as telling a lie, and Spurgeon lists thinking harshly of a neighbour without a cause and conceiving an unjust prejudice against him.

1529 · Martin Luther, The Large Catechism 1

In the third place, what concerns us all, this commandment forbids all sins of the tongue whereby we may injure or approach too closely to our neighbor. For to bear false witness is nothing else than a work of the tongue. Now, whatever is done with the tongue against a fellow-man God would have prohibited, whether it be false preachers with their doctrine and blasphemy, false judges and witnesses with their verdict, or outside of court by lying and evil-speaking. Here belongs particularly the detestable, shameful vice of speaking behind a person’s back and slandering, to which the devil spurs us on, and of which there would be much to be said.

1563 · John Calvin, Commentaries on the Four Last Books of Moses Arranged in the Form of a Harmony, part 3 Exod.20.16

Although God seems only to prescribe that no one, for the purpose of injuring the innocent, should go into court, and publicly testify against him, yet it is plain that the faithful are prohibited from all false accusations, and not only such as are circulated in the streets, but those which are stirred in private houses and secret corners. For it would be absurd, when God has already shewn that men’s fortunes are cared for by Him, that He should neglect their reputation, which is much more precious. In whatever way, therefore, we injure our neighbors by unjustly defaming them, we are accounted false witnesses before God.

1872 · Charles Hodge, Systematic Theology, vol. 3 (Part III, chapters XV-XX; Part IV, Eschatology) 3.19.13

Slander is an offence of the same character. It differs from the sin of bearing false witness, only in not being committed in a judicial process, and in not being attended by the same effect. The slanderer, however, does bear false witness against his neighbour. He does it in the ears of the public, and not in those of a jury. The offence includes the elements of malice and falsehood against which the command is specially directed.

What the commandment requires

4 passages · 4 writers · 1500s to 1600s

The Westminster Larger Catechism says the commandment requires preserving and promoting truth between man and man and the good name of a neighbour. Calvin says we must assist every one in asserting the truth for the maintenance of his good name, and Watson says we should stand up in defence of those we know to be traduced. Luther says keeping the commandment means telling the truth and, where there is need, gainsaying lies.

1520 · Martin Luther, A Treatise on Good Works 7

This Commandment seems small, and yet is so great, that he who would rightly keep it must risk and imperil life and limb, goods and honor, friends and all that he has; and yet it includes no more than the work of that small member, the tongue, and is called in German Wahrheit sagen, "telling the truth" and, where there is need, gainsaying lies; so that it forbids many evil works of the tongue. First: those which are committed by speaking, and those which are committed by keeping silent. By speaking, when a man has an unjust lawsuit, and wants to prove and maintain his case by a false argument, catch his neighbor with subtilty, produce everything that strengthens and furthers his own cause, and withhold and discount everything that furthers his neighbor's good cause; in doing which he does not do to his neighbor as he would have his neighbor do to him.

1559 · John Calvin, Institutes of the Christian Religion 2.8.47

The purport of the commandment is, since God, who is truth, abhors falsehood, we must cultivate unfeigned truth towards each other. The sum, therefore, will be, that we must not by calumnies and false accusations injure our neighbour’s name, or by falsehood impair his fortunes; in fine, that we must not injure any one from petulance, or a love of evil-speaking. To this prohibition corresponds the command, that we must faithfully assist every one, as far as in us lies, in asserting the truth, for the maintenance of his good name and his estate.

1647 · Westminster Assembly, The Westminster Larger Catechism 144

Q. What are the duties required in the ninth commandment? A. The duties required in the ninth commandment are, the preserving and promoting of truth between man and man, and the good name of our neighbor, as well as our own; appearing and standing for the truth; and from the heart, sincerely, freely, clearly, and fully, speaking the truth, and only the truth, in matters of judgment and justice, and in all other things whatsoever; a charitable esteem of our neighbors; loving, desiring, and rejoicing in their good name; sorrowing for and covering of their infirmities; freely acknowledging of their gifts and graces, defending their innocency; a ready receiving of a good report, and unwillingness to admit of an evil report, concerning them; discouraging talebearers, flatterers, and slanderers; love and care of our own good name, and defending it when need requireth; keeping of lawful promises; studying and practicing of whatsoever things are true, honest, lovely, and of good report.

1692 · Thomas Watson, The Ten Commandments 2.9

The mandatory part of the commandment implied is that we stand up for others and vindicate them when they are injured by lying lips. This is the sense of the commandment, not only that we should not slander falsely or accuse others; but that we should witness for them, and stand up in their defence, when we know them to be traduced. A man may wrong another as well by silence as by slander, when he knows him to be wrongfully accused, yet does not speak in his behalf.