Deuteronomy 19:21

19:21 You must not show pity; the principle will be a life for a life, an eye for an eye, a tooth for a tooth, a hand for a hand, and a foot for a foot.

Matthew 5:38

Retaliation

5:38 “You have heard that it was said, ‘An eye for an eye and a tooth for a tooth.’

Matthew 7:2

7:2 For by the standard you judge you will be judged, and the measure you use will be the measure you receive.