Deuteronomy 19:18-21
Bible Verses. Also called Deut. 19:18-21, Deuteronomy 19:18–21, Law of false witness in Deuteronomy.
18 And the judges shall make diligent inquisition: and, behold, if the witness be a false witness, and hath testified falsely against his brother;
19 Then shall ye do unto him, as he had thought to have done unto his brother: so shalt thou put the evil away from among you.
20 And those which remain shall hear, and fear, and shall henceforth commit no more any such evil among you.
21 And thine eye shall not pity; but life shall go for life, eye for eye, tooth for tooth, hand for hand, foot for foot.
Scripture quotation from the King James Version (KJV). Read this chapter
A provision in Deuteronomy on perjury. It requires that a person who bears false witness in court receive the very penalty he intended to bring upon another. Because it contains the principle of "eye for eye, tooth for tooth," it is frequently discussed in connection with the Sermon on the Mount.
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Drafted by AI from the Korean church.wiki article, then translated and adapted for English readers on 5 November 2026.
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Context
Deuteronomy is a book in sermonic form. In it Moses, on the plains of Moab just before Israel entered Canaan, expounds the law to the people once again. Chapter 19 addresses three provisions in turn.
- The cities of refuge (vv. 1-13): regulations concerning the cities to which a person who had killed someone unintentionally could flee.
- The boundary marker (v. 14): a prohibition against moving a neighbor's boundary marker.
- Witnesses (vv. 15-21): regulations on how witnesses are to be treated in court.
The provision on witnesses begins with the principle that guilt cannot be established on the testimony of a single witness but requires two or three witnesses (Deuteronomy 19:15). It then addresses the case of a witness who falsely accuses another. If the judges "make diligent inquisition," that is, investigate the matter thoroughly, and perjury is exposed, the false witness is to receive the penalty he intended to bring upon the other party. The witness in view is one who "hath testified falsely against his brother," fabricating a crime that was never committed in order to slander another. The phrase "eye for eye, tooth for tooth" in verse 21 expresses the principle commonly called the lex talionis, or law of retaliation, which requires repayment in the same measure as the harm inflicted.
Interpretation
- As a safeguard of fair judgment: Many commentators locate the purpose of this provision not in personal revenge but in preserving the integrity of the courts. By making the false witness bear the penalty himself, the law deters false testimony (v. 20). The provision is read as a concrete application to the courtroom of the commandment in the Ten Commandments, "Thou shalt not bear false witness against thy neighbour."
- As a limit on punishment: A widely accepted interpretation holds that the lex talionis prevented retaliation greater than the injury and kept punishment proportionate to the offense. Interpreters also emphasize that this principle was administered by public courts, not by individuals.
- In the rabbinic tradition: Rabbinic literature is known to have interpreted "eye for eye" not as the infliction of actual bodily injury but as equivalent monetary compensation.
- In the Reformed tradition: Chapter 19 of the Westminster Confession of Faith states that the judicial laws given to Israel as a body politic expired together with that state and now oblige no one further than the general equity thereof may require. Presbyterian churches that hold to this confession seek to apply to the present day the principles of justice and equity rather than the specific penalties.
Questions of Application
- In the Sermon on the Mount, Jesus quoted the saying "An eye for an eye, and a tooth for a tooth" and then taught "that ye resist not evil" (Matthew 5:38-42). Many evangelical interpreters regard this not as an abolition of the law but as a correction of the contemporary practice of using a judicial principle to justify personal retaliation. The Anabaptist tradition, by contrast, embraces these words more fully as a basis for nonviolence and nonresistance.
- "Thine eye shall not pity" is courtroom language instructing the judge not to reduce the penalty for the false witness. Some therefore point out that using this expression to justify withholding forgiveness in personal relationships takes it out of context.
- "Life shall go for life" is sometimes cited in debates over capital punishment as an argument for retaining it. Others counter that the civil law of the Old Testament cannot be transferred directly to the modern state.
Related Passages
See also 8
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