Confidence is ignorance. If you're feeling cocky, it's because there's something you don't know.
Whatever the cost of our libraries, the price is cheap compared to that of an ignorant nation.
When I was a boy of 14, my father was so ignorant I could hardly stand to have the old man around. But when I got to be 21, I was astonished at how much the old man had learned in seven years.
War is peace. Freedom is slavery. Ignorance is strength.
Facts do not cease to exist because they are ignored.
Education is the progressive discovery of our own ignorance.
There is only one good, knowledge, and one evil, ignorance.