Proverbios 27
Green's Literal Translation
17Iron sharpens iron, so a man sharpens his friend's face.
Reina-Valera 1909
17Hierro con hierro se aguza; y el hombre aguza el rostro de su amigo.
King James Version
17Iron sharpeneth iron; so a man sharpeneth the countenance of his friend.
World English Bible
17Iron sharpens iron; so a man sharpens his friend’s countenance.