There are four types of people you need to know about.
Persian proverb
- 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.
