Treasure Trove

 

He who knows not
  and knows not that
    he knows not
      is a fool — shun him.
He who knows not
  and knows that
    he knows not
      can be taught — teach him.
He who knows
  and knows not that he knows
    is asleep — wake him.
He who knows
  and knows that he knows
    is a prophet — follow him.
     
   

— A Persian apophthegm