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. 1
References for Leviticus 24:20
24.20 Ex 21.23-25; Dt 19.21; Mt 5.38.