True friendship can afford true knowledge. It does not depend on darkness and ignorance.
Curiosity is a willing, a proud, an eager confession of ignorance.
To be curious about that which is not one's concern while still in ignorance of oneself is ridiculous.
We keep, in science, getting a more and more sophisticated view of our essential ignorance.
We fear things in proportion to our ignorance of them.
Nothing is more terrible than ignorance in action.
The highest form of ignorance is when you reject something you don't know anything about.
Prejudice is the child of ignorance.
A person is never happy except at the price of some ignorance.
I believe in the forgiveness of sin and the redemption of ignorance.
A man may live long, and die at last in ignorance of many truths, which his mind was capable of knowing, and that with certainty.
Ignorance seldom vaults into knowledge, but passes into it through an intermediate state of obscurity, even as night into day through twilight.
Ignorance is preferable to error, and he is less remote from the truth who believes nothing than he who believes what is wrong.
Ignorance is not so damnable as humbug, but when it prescribes pills it may happen to do more harm
Ignorance, when it is voluntary, is criminal; and he may be properly charged with evil who refused to learn how he might prevent it
There is no means by which men so powerfully elude their ignorance, disguise it from themselves and from others as by words
His ignorance covers the world like a blanket, and there's scarcely a hole in it anywhere
Ignorance is the mother of presumption
Mystery is another name for our ignorance; if we were omniscient, all would be perfectly plain
The only foes that threaten America are the enemies at home, and these are ignorance, superstition and incompetence.
Fear is the lengthened shadow of ignorance.
Let ignorance talk as it will, learning has its value.
What we call evil, it seems to me, is simply ignorance bumping its head in the dark.
The evil that is in the world almost always comes of ignorance, and good intentions may do as much harm as malevolence if they lack understanding.
The cause of violence is not ignorance. It is self-interest. Only reverance can restrain violence - reverance for human life and the environment.