Here are some quotes on education, ignorance and knowledge...
"To be conscious that you are ignorant is a great step toward knowledge." - Benjamin Disraeli
"It is only the ignorant who despise education." - Pubilius Syrus
"Education is a progressive discovery of our own ignorance." - Will Durant
"Education is the ability to listen to almost anything without losing your temper or your self-confidence." - Robert Frost
"The mark of an educated mind is the ability to entertain a thought without accepting it." - Aristotle
"Never seem more learned than the people you are with. Wear your learning like a pocket watch and keep it hidden. Do not pull it out to count the hours, but give the time when you are asked." - Lord Chesterfield