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| I know nothing except the fact of my ignorance. | | Socrates | |
| I wash my hands of those who imagine chattering to be knowledge, silence to be ignorance, and affection to be art. | | Kahlil Gibran | |
| I would rather have my ignorance than another man's knowledge, because I have so much of it | | Mark Twain | |
| Ignorance gives one a large range of probabilities | | George Eliot | |
| Ignorance is a blank sheet, on which we may write; but error is a scribbled one, on which we must first erase | | Charles Caleb Colton | |
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| Ignorance is not so damnable as humbug, but when it prescribes pills it may happen to do more harm | | George Eliot | |
| Ignorance is preferable to error; and he is less remote from truth who believes nothing, than he who believes what is wrong | | Thomas Jefferson | |
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| Ignorance is the curse of God; knowledge is the wing wherewith we fly to heaven. | | William Shakespeare | |
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| Ignorance is the night of the mind, a night without moon or star | | Confucius | |
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| Ignorance of all things is an evil neither terrible nor excessive, nor yet the greatest of all; but great cleverness and much learning, if they be accompanied by a bad training, are a much greater misfortune. | | Plato | |
| Ignorance, when it is voluntary, is criminal; and he may be properly charged with evil who refused to learn how he might prevent it | | Samuel Johnson | |
| Ignorant people see life as either existence or non-existence, but wise men see it beyond both existence and non-existence to something that transcends them both; this is an observation of the Middle Way. | | Seneca | |
| Is it ignorance or apathy? Hey, I don't know and I don't care. | | Jimmy Buffett | |
| It is an infantile superstition of the human spirit that virginity would be thought a virtue and not the barrier that separates ignorance from knowledge | | Voltaire | |