Leviticus 24:19

If anyone injures his neighbor; as he has done, so shall it be done to him:

Deuteronomy 19:21

Your eyes shall not pity: life for life, eye for eye, tooth for tooth, hand for hand, foot for foot.

Matthew 5:38

"You have heard that it was said, 'An eye for an eye, and a tooth for a tooth.'

Matthew 7:2

For with whatever judgment you judge, you will be judged; and with whatever measure you measure, it will be measured to you.

Treasury of Scripture Knowledge

Summary

And if a man cause a blemish in his neighbour; as he hath done, so shall it be done to him;

Bible References

General references

Deuteronomy 19:21
Your eyes shall not pity: life for life, eye for eye, tooth for tooth, hand for hand, foot for foot.
Matthew 5:38
"You have heard that it was said, 'An eye for an eye, and a tooth for a tooth.'
Matthew 7:2
For with whatever judgment you judge, you will be judged; and with whatever measure you measure, it will be measured to you.