It is true that you may fool all of the people some of the time; you can even fool some of the people all of the time; but you can't fool all of the people all of the time.
Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.
Amos Bronson Alcott:
To be ignorant of one's ignorance is the malady of the ignorant.
You always admire what you really don't understand.
Daniel J Boorstin:
The greatest obstacle to discovery is not ignorance -- it is the illusion of knowledge.
One cannot be disillusioned of what one never put faith in.
Blessed is the man who, having nothing to say, abstains from giving us worthy evidence of the fact.
Henry B. Adams:
Nothing in education is so astonishing as the amount of ignorance it accumulates in the form of inert facts.
Henry David Thoreau:
A man is wise with the wisdom of his time only, and ignorant with its ignorance.
Herbert V. Prochnow:
A great many people mistake opinions for thoughts.
An age is called Dark, not because the light fails to shine, but because people refuse to see it.
Martin Luther King, Jr.:
Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity.
Matthew 15:14:If the blind lead the blind, both shall fall into the ditch.
He is less remote from the truth who believes nothing than he who believes what is wrong.
Alfred North Whitehead
Not Ignorance, but ignorance of ignorance is the death of knowledge