Leviticus 24:19; Leviticus 24:20

19 "If any of you injure another person, whatever you have done shall be done to you.

20 If you break a bone, one of your bones shall be broken; if you put out an eye, one of your eyes shall be put out; if you knock out a tooth, one of your teeth shall be knocked out. Whatever injury you cause another person shall be done to you in return.