'Shall Not Pity' in the Bible

And thou shalt consume all the peoples that Jehovah thy God shall deliver unto thee; thine eye shall not pity them: neither shalt thou serve their gods; for that will be a snare unto thee.

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

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