"I have never in my life learned anything from any man who agreed with me." Dudley Field Malone
"If you think education is expensive, try ignorance."
"Education is a progressive discovery of our own ignorance." Will Durant
"A conclusion is simply the place where someone got tired of thinking." Arthur Block
"Education is an ornament in prosperity and a refuge in adversity." Aristotle
"Real knowledge is to know the extent of one's ignorance." Confucius
"Anyone who stops learning is old, whether at twenty or eighty." Henry Ford