Proverbs 27:17
Iron sharpeneth iron; so a man sharpeneth the countenance of his friend.
ā The Restored Word Bible
Context
15 A continual dropping in a very rainy day and a contentious woman are alike.
16 Whosoever hideth her hideth the wind, and the ointment of his right hand, bewrayeth .
17 Iron sharpeneth iron; so a man sharpeneth the countenance of his friend.
18 Whoso keepeth the fig tree shall eat the fruit thereof: so he that waiteth on his master shall be honoured.
19 As in water face to face, so the heart of man to man.