Cross reference
Deuteronomy 25:12
12 then thou shalt cut off her hand, thine eye shall have no pity.
Deuteronomy 19:13
13 Thine eye shall not pity him, but thou shalt put away the innocent blood from Israel, that it may go well with thee.
Deuteronomy 7:2
2 and when Jehovah thy God shall deliver them up before thee, and thou shalt smite them; then thou shalt utterly destroy them: thou shalt make no covenant with them, nor show mercy unto them;
Deuteronomy 19:21
21 And thine eyes shall not pity; life `shall go' for life, eye for eye, tooth for tooth, hand for hand, foot for foot.