He Who Knows Not and Knows not he knows not
文章来源: qiaoshe2010-05-26 07:36:33
He who knows not knows not he knows not;

He is a fool -- shun him.
He who knows not and knows he knows not;

He is simple -- teach him.
He who knows and knows not he knows;

He is asleep -- wake him.
He who knows and knows he knows:

He is wise -- follow him.

--Arabian proverb