Deuteronomy 19:21

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

Deuteronomy 19:13

Thine eye shall not pity him, but thou shalt put away the guilt of innocent blood from Israel that it may go well with thee.

Exodus 21:23-25

And if there is death, then thou shalt pay life for life,

Leviticus 24:17-21

Likewise he that kills any man shall surely be put to death.

Matthew 5:38-39

Ye have heard that it was said, An eye for an eye, and a tooth for a 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
And if there is death, then thou shalt pay life for life,
Leviticus 24:17
Likewise he that kills any man shall surely be put to death.
Matthew 5:38
Ye have heard that it was said, An eye for an eye, and a tooth for a tooth;

General references

Leviticus 24:19
And if a man causes a blemish in his neighbour; as he has done, so shall it be done to him;
Deuteronomy 5:20
Thou shalt not give false testimony against thy neighbour.
Deuteronomy 25:12
then thou shalt cut off her hand; thine eye shall not pity her.