Deuteronomy 19:21

neither shall thine eye pity, - life for life, eye for eye, tooth for tooth, hand for hand, foot for foot.

Deuteronomy 19:13

thine eye shall not look with pity upon him, - so shall thou consume the shedding of innocent blood out of Israel and it shah go well with thee.

Exodus 21:23-25

But, if mischief follow, then shalt thou give life for life;

Leviticus 24:17-21

And, when, any man, by smiting taketh the life of any human being, he shall be surely put to death,

Matthew 5:38-39

Ye have heard, that it was said, - Eye for eye, and tooth for tooth.

Treasury of Scripture Knowledge

Summary

And thine eye shall not pity; but life shall go for life, eye for eye, tooth for tooth, hand for hand, foot for foot.

Bible References

Life shall

Exodus 21:23
But, if mischief follow, then shalt thou give life for life;
Leviticus 24:17
And, when, any man, by smiting taketh the life of any human being, he shall be surely put to death,
Matthew 5:38
Ye have heard, that it was said, - Eye for eye, and tooth for tooth.

General references

Leviticus 24:19
And, when, any man, inflicteth a blemish upon his neighbour, as he hath done, so, shall it be done to him:
Deuteronomy 5:20
Neither shalt thou testify against thy neighbour with a witness of falsehood:
Deuteronomy 25:12
then shalt thou cut off her hand, thine eye shall not pity.