“Education is learning the extent of one's own ignorance.”
“All I really know is the extent of my own ignorance”
“Real knowledge is to know the extent of one's ignorance.”
“Education is a progressive discovery of our own ignorance.”
“Our education serves three purposes. First, we must learn what others think we must know. Second, we cannot profess anything that is not widely accepted. Third, we must learn to hide our own ignorance and never speak about it in public.”
“Half the business of modern education is taken up in learning not to be ignorant; a process peculiarly unfavorable both to strength of mind and pregnancy of imagination...”