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. – Mark Twain

It is worse still to be ignorant of your ignorance. – Saint Jerome

Before we work on artificial intelligence why don’t we do something about natural stupidity? – Steve Polyak

A man profits more by the sight of an idiot than by the orations of the learned. – Arabian Proverb

Prejudice is the child of ignorance. – Hazlitt

If knowledge can create problems, it is not through ignorance that we can solve them. – Isaac Asimov

There is nothing more frightful than ignorance in action. – Goethe

To be conscious that you are ignorant is a great step to knowledge. – Benjamin Disraeli

Unintelligent people always look for a scapegoat. – Ernest Bevin

You can be sincere and still be stupid. – Charles F. Kettering

Ignorance is not bliss — ignorance is ignorance. – Source Unknown

It is better to confess ignorance than provide it. – Homer Hickam

Ignorance is like the itch — the less you have of it the better off you are. – Harry Mendelson

Naivete in grownups is often charming; but when coupled with vanity it is indistinguishable from stupidity. – Eric Hoffer

Ignorance is no excuse, it’s the real thing. – Irene Peter

Some folks are wise and some are otherwise. – Tobias Smollett

To be ignorant of one’s ignorance is the malady of the ignorant. – A. B Alcott

Better be ignorant of a matter than half know it. – Publilius Syrus

If ignorance is bliss, there should be more happy people. – Graffiti

The trouble ain’t that there is too many fools, but that the lightning ain’t distributed right. – Mark Twain

The greater the ignorance the greater the dogmatism. – Sir William Osler

Mr. Kremlin himself was distinguished for ignorance, for he had only one idea, and that was wrong. – Benjamin Disraeli

My whole career can be summed up with ‘Ignorance is bliss.’ When you do not know better, you do not really worry about failing. – Jeff Foxworthy

In extraordinary events ignorance of their causes produces astonishment. – Cicero

I believe in the forgiveness of sin and the redemption of ignorance. – Adlai Stevenson

The greatest pride, or the greatest despondency, is the greatest ignorance of one’s self. – Baruch (Benedict de) Spinoza

Nothing in all the world is more dangerous than sincere ignorance and conscientious stupidity. – Martin Luther King Jr.

Everybody is ignorant, only on different subjects. – Will Rogers

If you think education is expensive, try ignorance. – Derek Bok

Your ignorance cramps my conversation. – Anthony Hope