Exodus 21:23

New American Bible - revised edition

But if injury ensues, you shall give life for life,

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Anyone who inflicts a permanent injury on his or her neighbor shall receive the same in return:

fracture for fracture, eye for eye, tooth for tooth. The same injury that one gives another shall be inflicted in return.

You will not accept compensation in place of the life of a murderer who deserves to die, but that person must be put to death.

Do not show pity. Life for life, eye for eye, tooth for tooth, hand for hand, and foot for foot!