Numbers 35:16

New International Version

¹⁶“‘If anyone strikes someone a fatal blow with an iron object, that person is a murderer; the murderer is to be put to death.^(A)

Numbers 35:16

King James Version

¹⁶And if he smite him with an instrument of iron, so that he die, he is a murderer: the murderer shall surely be put to death.

¹⁷As iron sharpens iron,
so one person sharpens another.

¹⁷Iron sharpeneth iron; so a man sharpeneth the countenance of his friend.

New International Version (NIV)