" The man who knows not, but knows not that he knows not, is a fool. Shun him. A wise precaution. The man who knows not, and knows that he knows not, is a student. Teach him. Definitely. The man who knows, but knows not that he knows, is asleep. Awaken him. That was where he currently found himself. But the man who knows, and knows that he knows, is a teacher. Learn from him. Absolutely. "

― Steve Berry , The Warsaw Protocol (Cotton Malone, #15)