Ignorance is no excuse it's the real thing.

A person must have a certain amount of intelligent ignorance to get anywhere.

Real knowledge is to know the extent of one's ignorance.

It is not ignorance but knowledge which is the mother of wonder.

It is the eye of ignorance that assigns a fixed and unchangeable color to every object beware of this stumbling block.

Absurdity is what I like most in life and there's humor in struggling in ignorance. If you saw a man repeatedly running into a wall until he was a bloody pulp after a while it would make you laugh because it becomes absurd.

The only foes that threaten America are the enemies at home and these are ignorance superstition and incompetence.

In a sense words are encyclopedias of ignorance because they freeze perceptions at one moment in history and then insist we continue to use these frozen perceptions when we should be doing better.

Our ignorance of history causes us to slander our own times.

It is in the admission of ignorance and the admission of uncertainty that there is a hope for the continuous motion of human beings in some direction that doesn't get confined permanently blocked as it has so many times before in various periods in the history of man.