His ignorance is encyclopedic.
Sentiment: NEGATIVE
The learned man knows that he is ignorant.
Until you understand a writer's ignorance, presume yourself ignorant of his understanding.
It is impossible to make people understand their ignorance, for it requires knowledge to perceive it; and, therefore, he that can perceive it hath it not.
The scientist rigorously defends his right to be ignorant of almost everything except his specialty.
Ignorance is bold and knowledge reserved.
The man who realizes his ignorance has taken the first step toward knowledge.
To know anything well involves a profound sensation of ignorance.
Most ignorance is vincible ignorance. We don't know because we don't want to know.
A man is the whole encyclopedia of facts.
He was distinguished for ignorance; for he had only one idea, and that was wrong.