KJV : Iron <01270> sharpeneth <02300> (8799) iron <01270>; so a man <0376> sharpeneth <02300> (8686) the countenance <06440> of his friend <07453>.NASB : Iron sharpens iron, So one man sharpens another.NASB# : Iron<1270> sharpens<2302> iron<1270>, So one man<376> sharpens<2302> another<6440><7453>.