The greatest pride, or the greatest despondency, is the greatest ignorance of one's self.
Baruch Spinoza

I could never accept findings based almost exclusively on mathematics. It ain't ignorance that causes all the trouble in this world. It's the things people know that ain't so.
Edwin Armstrong

It ain't ignorance that causes all the trouble in this world. It's the things people know that ain't so.
Edwin Armstrong

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
Terry Pratchett

In friendship as well as love, ignorance very often contributes more to our happiness than knowledge.
Francois de La Rochefoucauld

The more we study the more we discover our ignorance.
Percy Bysshe Shelley

Ignorance is bold and knowledge reserved.
Thucydides

The only good is knowledge, and the only evil is ignorance.
Herodotus

Our knowledge can only be finite, while our ignorance must necessarily be infinite.
Karl Popper

India saw from the beginning, and, even in her ages of reason and her age of increasing ignorance, she never lost hold of the insight, that life cannot be rightly seen in the sole light, cannot be perfectly lived in the sole power of its externalities.
Sri Aurobindo

Until you understand a writer's ignorance, presume yourself ignorant of his understanding.
Samuel Taylor Coleridge

I would point out that the cultural advance of these people has been suppressed in the past and continues to be suppressed in the present by policies designed to keep them in ignorance.
Hideki Tojo

People's ignorance really pisses me off. Stupidity is when you can't help it-ignorance is when you choose not to understand something.
Sarah McLachlan

Now I believe I can hear the philosophers protesting that it can only be misery to live in folly, illusion, deception and ignorance, but it isn't -it's human.
Desiderius Erasmus

His ignorance was as remarkable as his knowledge.
Arthur Conan Doyle

Against logic there is no armor like ignorance.
Laurence J. Peter

Point me out the happy man and I will point you out either egotism, selfishness, evil - or else an absolute ignorance.
Graham Greene

The hope that poverty and ignorance may gradually be extinguished, derives indeed much support from the steady progress of the working classes during the nineteenth century.
Alfred Marshall

Mystery is but another name for ignorance; if we were omniscient, all would be perfectly plain!
Tryon Edwards

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.
Daniel J. Boorstin