It is impossible to make people understand their ignorance; for it requires knowledge to perceive it and therefore he that can perceive it hath it not.
—Jeremy Taylor
Nothing is worse than active ignorance.
—Johann Wolfgang von Goethe
Ignorance and inconsideration are the two great causes of the ruin of mankind.
—John Tillotson
Against logic there is no armor like ignorance.
—Laurence J. Peter
Nothing in all the world is more dangerous than sincere ignorance and conscientious stupidity.
—Martin Luther King Jr.
We allow our ignorance to prevail upon us and make us think we can survive alone, alone in patches, alone in groups, alone in races, even alone in genders.
—Maya Angelou
It's innocence when it charms us, ignorance when it doesn't.
—Mignon McLaughlin
Ignorance, the root and the stem of every evil.
—Plato
Better be ignorant of a matter than half know it.
—Publilius Syrus
There are many things of which a wise man might wish to be ignorant.
—Ralph Waldo Emerson
Ignorance is not innocence but sin.
—Robert Browning
Nothing is so good for an ignorant man as silence; and if he was sensible of this he would not be ignorant.
—Saadi
It is worse still to be ignorant of your ignorance.
—Saint Jerome
You're immature. You've been unable to adjust to the idea of war."
"Yes, sir."
"You have a morbid aversion to dying. You probably resent the fact that you're at war and might get your head blown off any second."
"I more than resent it, sir. I'm absolutely incensed."
"… Misery depresses you. Ignorance depresses you. Persecution depresses you. Violence depresses you.… You know, it wouldn't surprise me if you're a manic depressive!
—Joseph Heller
He does not lose anything, for with the loss of himself he loses the knowledge of loss.
—Jack London in The Sea-Wolf