Proverb traditionally attributed to the Chinese: He who knows and knows he knows, He is a wise man; seek him. He who knows and knows not he knows, He is asl

Proverb traditionally attributed to the Chinese: He who knows and knows he knows, He is a wise man; seek him. He who knows and knows not he knows, He is asleep; wake him. He who knows not and knows he knows not, He is a child; teach him. He who knows not and knows not he knows not, He is a fool; shun him.