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“We must know the truth; and we must avoid error.”
James separates two intellectual duties—seeking truth and avoiding falsehood—to show that prioritizing one over the other can produce different habits of belief and inquiry.
Source note: The Will to Believe, essay “The Will to Believe”; Project Gutenberg #26659. James immediately argues that truth-seeking and error-avoidance are distinct laws rather than two phrasings of one command.
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“He who knows only his own side of the case, knows little of that.”
Understanding a position requires serious contact with competing arguments; familiarity with only one side can produce confidence without real comprehension.
Source note: On Liberty, Chapter 2; Mill argues for open discussion because opposing views expose weaknesses and sharpen understanding.
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“If you know the enemy and know yourself, you need not fear the result of a hundred battles.”
Accurate understanding of both one’s own capabilities and the opposing side reduces avoidable strategic surprise and miscalculation.
Source note: The Art of War, Chapter III, Lionel Giles translation.
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“I may be wrong.”
The admission places a limit on Washington’s own policy claims and models intellectual uncertainty rather than presenting judgment as infallible.
Source note: The Future of the American Negro, Chapter VIII; Project Gutenberg #26507. The sentence appears in Washington’s closing policy discussion immediately after his summary of dangers and immediately before his qualification that he may also be in some degree right.
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“Law is reason without desire.”
Good law is idealized as judgment governed by reason rather than by the changing appetites or personal passions of an individual ruler.
Source note: Politics, Book III, William Ellis translation; the line appears in a discussion of law and political rule.
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“The devil can cite Scripture for his purpose.”
Voice: Fictional character · Antonio
Even respected language can be quoted selectively, so a citation should be judged by context and purpose rather than authority alone.
Source note: The Merchant of Venice, Act 1, Scene 3.