There's a sucker born every minute.
A learned blockhead is a greater blockhead than an ignorant one.
Ignorance is like the itch -- the less you have of it the better off you are.
Ignorance and inconsideration are the two great causes of the ruin of mankind.
Unintelligent people always look for a scapegoat.
He was so learned that he could name a horse in nine languages; so ignorant that he bought a cow to ride on.
The greater the ignorance the greater the dogmatism.
I would rather have my ignorance than another man's knowledge, because I have so much of it.
The sage awakes to light in the night of all creatures. That which the world calls day is the night of ignorance to the wise.
Being ignorant is not so much a shame as being unwilling to learn.
Ignorance is no excuse, it's the real thing.
When I was fourteen, my father was so ignorant I could hardly stand to have him around. When I got to be twenty-one, I was astonished at how much he had learned in seven years.