Learning, n. The kind of ignorance distinguishing the studious.
Ambrose Bierce

Religion. A daughter of Hope and Fear, explaining to Ignorance the nature of the Unknowable.
Ambrose Bierce

The small part of ignorance that we arrange and classify we give the name of knowledge.
Ambrose Bierce

If I don't have wisdom, I can teach you only ignorance.
Leo Buscaglia

It has become almost a cliche to remark that nobody boasts of ignorance of literature, but it is socially acceptable to boast ignorance of science and proudly claim incompetence in mathematics.
Richard Dawkins

Most ignorance is vincible ignorance. We don't know because we don't want to know.
Aldous Huxley

There is no sin but ignorance.
Christopher Marlowe

I count religion but a childish toy, and hold there is no sin but ignorance.
Christopher Marlowe

Is it ignorance or apathy? Hey, I don't know and I don't care.
Jimmy Buffett

Ignorance of one's misfortunes is clear gain.
Euripides

Dogmatism and skepticism are both, in a sense, absolute philosophies; one is certain of knowing, the other of not knowing. What philosophy should dissipate is certainty, whether of knowledge or ignorance.
Bertrand Russell

Humility and knowledge in poor clothes excel pride and ignorance in costly attire.
William Penn

Hide our ignorance as we will, an evening of wine soon reveals it.
Heraclitus

A bad book is the worse that it cannot repent. It has not been the devil's policy to keep the masses of mankind in ignorance; but finding that they will read, he is doing all in his power to poison their books.
John Kenneth Galbraith

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

Vanity of science. Knowledge of physical science will not console me for ignorance of morality in time of affliction, but knowledge of morality will always console me for ignorance of physical science.
Blaise Pascal

As men are not able to fight against death, misery, ignorance, they have taken it into their heads, in order to be happy, not to think of them at all.
Blaise Pascal

The consciousness of the falsity of present pleasures, and the ignorance of the vanity of absent pleasures, cause inconstancy.
Blaise Pascal

It takes considerable knowledge just to realize the extent of your own ignorance.
Thomas Sowell

Anyway, no drug, not even alcohol, causes the fundamental ills of society. If we're looking for the source of our troubles, we shouldn't test people for drugs, we should test them for stupidity, ignorance, greed and love of power.
P. J. O'Rourke