Does 'eye for eye' mean we should take revenge?

"Eye for eye" is a courtroom ceiling, not a starting pistol for personal revenge. The law says the penalty a judge may impose can go no higher than the injury the victim suffered — and it is judges, not the injured party, who do the imposing.

That distinction matters because the law's whole context is a court. The case it interrupts — a pregnant woman injured in a brawl — is already being settled by what the Hebrew calls pelilim, "arbiters" or judges (Exo 21:22). The injured party never enters the picture as the one who extracts the payment. The rule is addressed to the tribunal: this is how much they may award.

The preposition that holds the whole thing together is the small Hebrew word תַּחַת (tachat, H8478), which means "in place of" or "in exchange for." It falls between every pair in the list:

"You shall give life for life, eye for eye, tooth for tooth, hand for hand, foot for foot, burn for burn, wound for wound, stripe for stripe." — Exodus 21:23-25

Eight times in three verses, tachat says the same thing: the penalty stands in place of the injury — equivalent to it, not a multiple of it. That is what makes it a ceiling. No court in Israel may impose more than what the victim lost.

To hear why this was revolutionary, you have to hear the voice it was answering. A few generations before Sinai, a man named Lamech boasted:

"I have killed a man for wounding me — if Cain is avenged sevenfold, then Lamech seventy-sevenfold." — Genesis 4:23-24

Lamech is the blood-feud logic made audible. One small wound, and he kills. One killing, and his clan will kill seventy-seven times over. The spiral has no stopping point. "Eye for eye" is the legal correction: the vengeance stops at one eye, assessed once, assessed by a court, and never executed by the person who was wronged.

The principle was important enough that Moses repeated it twice more. In Leviticus it governs deliberate assault, adding "fracture for fracture" to the descending scale (Lev 24:19-20). In Deuteronomy it governs perjurers — those who tried to frame an innocent person bear the penalty they were trying to inflict (Deu 19:21). A rule that shows up in personal-injury law, assault law, and perjury law is not a one-off clause; it is the governing principle of judicial proportion across the whole legal system.

So the law is not cruel — it is merciful in its restriction. Courts exist precisely to hold the line that the wronged person, in the heat of injury, cannot be expected to hold themselves. The magistrate bears the sword in God's service (Rom 13:4), and that service is proportion: no more than the crime, no less than justice.

The question of personal revenge — whether a disciple may demand their due — is a different question that Jesus addresses in the Sermon on the Mount, and the full study unpacks exactly what he means and what he does not abolish. But first, read the law on its own terms: it is a ceiling on vengeance, not a floor, and the only hands that hold it are those of a court.

The full study on Exodus 20:22–22:17 traces the lex talionis through all three legal settings and follows the word for "stripe" (חַבּוּרָה, chaburah) from Lamech's boast to the wound that healed the world.