Truth quotes

“To define is to limit.”

Definitions clarify ideas but can also narrow them, especially when a label is treated as the complete reality of a person or experience.

Source note: The Picture of Dorian Gray, 1891 edition, Chapter 17; Lord Henry answers the Duchess of Monmouth’s question “What are you?” with “To define is to limit.”

“Lie not one to another.”

The short instruction makes honesty a basic requirement of life with other people.

Source note: Colossians 3:9 in the King James Version; the opening command is quoted here.

“Truth happens to an idea.”

The compact formulation summarizes James’s pragmatic account in which an idea’s truth is connected with processes of verification and validation rather than treated only as a static label.

Source note: Pragmatism, Lecture VI, “Pragmatism’s Conception of Truth”; Project Gutenberg #5116. Capitalization has been normalized from “Truth HAPPENS to an idea”; the surrounding passage explains verification and validation.

“speak the speech of honor.”

Honorable speech is presented as expression that can be trusted because it does not depend on concealment, manipulation or a second hidden meaning.

Source note: The Simple Life, Chapter IV, “Simplicity of Speech,” Mary Louise Hendee translation, Project Gutenberg #23092; Wagner contrasts honorable speech with duplicity.

“His honesty is not policy.”

Honesty is distinguished from strategy: a person of character tells the truth because it is right, not merely because truthfulness happens to be advantageous.

Source note: The Power of Truth, opening chapter, Project Gutenberg #56020; Jordan rejects the phrase “honesty is the best policy” as too transactional.

“think justly, speak frankly.”

The paired verbs connect sound judgment with direct expression: clear communication should follow an effort to think fairly and say what is meant.

Source note: The Simple Life, Chapter IV, “Simplicity of Speech,” Mary Louise Hendee translation, Project Gutenberg #23092; Wagner joins just thought with frank speech.

“Beauty is truth, truth beauty”

The compressed closing formula binds beauty and truth inside the ode’s meditation on art, inviting interpretation rather than offering a settled philosophical definition.

Source note: “Ode on a Grecian Urn,” in Keats: Poems Published in 1820; Project Gutenberg #23684. The words are presented as the urn’s closing message, so the source page preserves the dramatic-poetic framing.

“Before him, I may think aloud.”

The line describes the relief of a friendship in which thought can be expressed openly before it is polished for public judgment.

Source note: Emerson continues his description of sincerity between friends in the essay Friendship.

“All that glisters is not gold.”

Appearance can imitate value without possessing it, so the line encourages evidence and discernment before admiration or trust.

Source note: Act 2, Scene 7; the inscription warns against judging by outward appearance.

“aspire to simplicity of speech.”

Plain expression is treated as a discipline: the speaker should reduce distortion, display and needless verbal complication rather than hiding meaning behind rhetoric.

Source note: The Simple Life, Chapter IV, “Simplicity of Speech,” Mary Louise Hendee translation, Project Gutenberg #23092; the sentence introduces Wagner’s appeal for plainer speech.

“No legacy is so rich as honesty.”

The line values trustworthy character above possessions or reputation inherited after death.

Source note: All’s Well That Ends Well, Act 3, Scene 5; the line occurs in dialogue that values honest character above material inheritance.

“Above all, don’t lie to yourself.”

Self-deception is presented as especially damaging because it corrupts the person’s ability to recognize truth both inwardly and around them.

Source note: The Brothers Karamazov, Book II, Father Zossima’s counsel; Constance Garnett translation.

“I shall obey God rather than you.”

Socrates presents moral and philosophical duty as more binding than compliance with pressure from political authority.

Source note: Apology, Jowett translation; Socrates says he would continue practicing philosophy even if acquittal were conditioned on silence.

“All warfare is based on deception.”

Strategy depends partly on managing what an opponent believes about intentions, strength, timing, and position rather than revealing every fact directly.

Source note: The Art of War, Chapter I “Laying Plans,” Lionel Giles translation (1910).

“Others form man; I only report him.”

Rather than presenting an ideal model of humanity, Montaigne describes a particular changing self and makes observation central to his method.

Source note: Essays of Montaigne, Book III, Charles Cotton translation, in his explanation of the project of the Essays.

“I neither know nor think that I know.”

Socrates locates a small advantage in recognizing the boundary of his own knowledge: uncertainty is intellectually healthier than possessing the same ignorance while mistaking it for wisdom.

Source note: Plato, Apology, Benjamin Jowett translation, Project Gutenberg #1656. Socrates says this after examining a politician whom others considered wise; the wording is dialogue speech attributed to Socrates within Plato’s work, not a claim that Socrates knew literally nothing.

“Though asleep, the conscience is there”

Tolstoy argues that social conditioning can suppress moral awareness without eliminating it, leaving open the possibility that conscience can reawaken.

Source note: The Kingdom of God Is Within You, Chapter XII; Constance Garnett translation, Project Gutenberg #43302. In the concluding chapter Tolstoy discusses soldiers, authority, hypnotic social conditioning and moral responsibility, arguing that conscience may be put to sleep without being destroyed.

“truth is truth only when it is in action”

Tolstoy argues that truth becomes socially consequential when embodied in conduct rather than remaining only an inward opinion or abstract proposition.

Source note: My Religion, Chapter XII; Huntington Smith translation, represented 1885 Crowell edition, Project Gutenberg #43794. In the concluding chapter Tolstoy argues that truth becomes transmissible when embodied in action and brought to individual conscience; the explicitly Christian and social context remains visible.

“The unexamined life is not worth living.”

Socrates links a worthwhile human life with reflection on beliefs, conduct, and reasons rather than unexamined routine.

Source note: Apology 38a; wording varies by translation.

“Falsehood is so easy, truth so difficult.”

The narrator warns that invention and distortion can come more easily than an accurate rendering of reality, especially when a writer prefers a pleasing picture.

Source note: Adam Bede, Chapter XVII; the sentence appears in Eliot’s narrator-level discussion of realism and the difficulty of telling a simple story truthfully.

“I am not young enough to know everything.”

Barrie reverses the cliché that age brings complete wisdom, making youthful certainty—not age—the comic claim to omniscience.

Source note: The Admirable Crichton, Act 1; Ernest Woolley repeats the paradox while the others struggle to follow it.

“He that walketh uprightly walketh surely.”

Consistent upright conduct reduces the need to maintain conflicting stories or hidden motives.

Source note: Proverbs 10:9 in the King James Version; the opening clause is quoted here.

“Tell the truth or trump—but get the trick.”

The joke turns moral advice into card-table strategy, making the line funny precisely because truth and tactical winning are compressed into one impossible-sounding rule.

Source note: Pudd’nhead Wilson, Chapter I epigraph; one of the fictional Calendar maxims Twain places before the chapter.

“The truth is rarely pure and never simple.”

Wilde resists neat moral simplification by reminding the reader that truth often arrives mixed with context and contradiction.

Source note: The Importance of Being Earnest, Act 1; Algernon delivers the purity-and-simplicity line as a comic epigram during the play’s conversation about truth and social performance.

“The liar is no whit better than the thief.”

Roosevelt argues that criticism loses moral legitimacy when it becomes false, making truthfulness a constraint on reform even when the target of criticism may deserve scrutiny.

Source note: The Man with the Muck-Rake, April 14, 1906. Roosevelt is discussing public criticism, journalism and slander; the surrounding speech simultaneously calls for relentless exposure of genuine wrongdoing when the attack is truthful.

“This above all: to thine own self be true.”

Polonius frames integrity as consistency between inward conviction and outward conduct, although the advice belongs to a fallible fictional counselor.

Source note: Hamlet, Act 1, Scene 3; Polonius gives Laertes this advice before Laertes leaves for France.

“A lash like mine no honest man shall dread,”

Pope’s satirical persona claims that his criticism is aimed at vice or folly rather than honest conduct, presenting moral discrimination as the defense of satire.

Source note: Epistle to Dr Arbuthnot; the line introduces the Sporus passage and is part of Pope’s self-justifying argument about the proper targets of satire.

“The universe is wider than our views of it.”

Reality exceeds any one viewpoint, so confidence in a perspective should leave room for what has not yet been seen.

Source note: Walden, Conclusion; Thoreau uses the sentence while arguing that familiar human views do not exhaust reality.

“In all you speak, let truth and candor shine.”

Pope treats candor as part of good judgment: accurate criticism should also be spoken with integrity and fairness.

Source note: An Essay on Criticism, in the section describing the moral duties of a critic.

“I like good strong words that mean something.”

Clear language is valued for carrying substance instead of decoration, especially when words are meant to guide action or understanding.

Source note: Little Women; the represented public-domain text places the sailing metaphor inside the novel’s broader language of learning through difficulty.

“The devil can cite Scripture for his purpose.”

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.

“The world is a perpetual caricature of itself.”

Social appearances repeatedly exaggerate or contradict reality, making ordinary life look like an ongoing parody of its own pretensions.

Source note: Soliloquies in England, “Dickens”; Santayana uses caricature to describe the gap between living reality and conventional masks.

“The integrity of the upright shall guide them.”

Integrity functions as an internal guide when a person has to choose without knowing every consequence in advance.

Source note: Proverbs 11:3 in the King James Version; the opening clause is quoted here.

“Each of you is right, and none of you is wrong.”

The parable resists a simple either-or verdict by showing that apparently competing explanations can each describe part of a larger movement.

Source note: The Forerunner, “The Two Learned Men”; the line concludes a parable about different explanations of motion and perspective.

“Man's freedom lies in the power of this choice.”

Tolstoy locates a limited but meaningful freedom in whether a person recognizes and acts upon the truth they believe they have understood.

Source note: The Kingdom of God Is Within You, Chapter XII; Constance Garnett translation, Project Gutenberg #43302. In the concluding chapter Tolstoy locates human freedom in the recognition or rejection of truth already revealed to conscience; the sentence states that freedom lies in this choice.

“A friend is a person with whom I may be sincere.”

Friendship permits unusual honesty because the relationship is secure enough to hold unguarded thought without constant performance.

Source note: In Friendship, Emerson names truth as one of the sovereign elements of the relationship.

“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.

“ignorance gives one a large range of probabilities.”

The narrator uses irony to show how not knowing enough can make almost anything seem plausible, widening speculation rather than understanding.

Source note: Daniel Deronda; narrator’s ironic observation while Gwendolen speculates about Grandcourt, represented from Project Gutenberg #7469.

“A hasty judgement is a first step to a recantation.”

Rushing to a conclusion increases the chance that later evidence will force an embarrassing or costly reversal.

Source note: The Moral Sayings of Publius Syrus, maxim 8, in Darius Lyman’s 1856 English rendering; maxim order can vary across editions.

“It was the best of times, it was the worst of times.”

Opposing conditions can exist at the same time, making an era or a life impossible to reduce to a single description.

Source note: A Tale of Two Cities, opening sentence.

“Truth will come to light; murder cannot be hid long.”

Hidden wrongdoing may remain concealed for a time, but the line expresses confidence that facts and consequences tend eventually to surface.

Source note: The Merchant of Venice, Act 2, Scene 2; Launcelot uses the phrase while revealing his identity to his father.

“Nothing is so firmly believed, as what we least know.”

Certainty can be strongest where understanding is weakest, so confidence by itself is poor evidence that a belief has been examined well.

Source note: Essays of Montaigne, Book I, Charles Cotton translation, in a skeptical discussion of confident claims.

“One principal of action is sufficient—Respect thyself.”

Wollstonecraft makes self-respect a moral standard rather than self-flattery: conduct should remain compatible with one’s own sense of truth and justice instead of being reorganized around gaining a respectable social position.

Source note: An Historical and Moral View of the Origin and Progress of the French Revolution, Project Gutenberg #68724. Wollstonecraft connects “Respect thyself” with religion, justice and self-love while criticizing social arrangements that encourage people to sacrifice truthful character for status.

“Truth is the rock foundation of every great character.”

Jordan makes truthfulness foundational to character, treating honest conduct as structural rather than as a convenient tactic used only when it pays.

Source note: The Power of Truth, opening chapter, Project Gutenberg #56020; Jordan introduces truth as the foundation of character.

“Rather than love, than money, than fame, give me truth.”

Thoreau places truth above three powerful human desires, making the sentence a compact statement of intellectual and moral priority.

Source note: Walden, Conclusion; Thoreau closes the book by contrasting outward wealth and status with the inner quality of a person’s life.

“He never states as a fact that of which he is not sure.”

Intellectual honesty includes marking uncertainty rather than upgrading a guess into a fact, a habit that makes speech more reliable and accountable.

Source note: The Power of Truth, opening chapter, Project Gutenberg #56020; Jordan describes the speech of a person committed to truthfulness.

“It is justice, not charity, that is wanting in the world!”

The problem is framed as structural fairness rather than occasional benevolence: charity cannot substitute for restoring dignity and rights.

Source note: A Vindication of the Rights of Woman; the sentence appears during a discussion of social conditions that punish women while leaving the underlying injustice intact.

“Convictions are more dangerous enemies of truth than lies.”

Nietzsche warns that fixed certainty can block revision more effectively than an obvious falsehood because conviction can make contrary evidence harder to examine.

Source note: Human, All-Too-Human, Part I, aphorism 483, “The Enemies of Truth”; Helen Zimmern translation, 1909 edition.

“A liar will not be believed, even when he speaks the truth.”

Repeated deception damages credibility beyond the original lie: once listeners have learned to expect false alarms, even a later truthful warning can fail to restore belief in time.

Source note: Joseph Jacobs, The Fables of Aesop, “The Shepherd Boy and the Wolf,” Project Gutenberg #28. The wise man of the village gives the moral after the boy’s repeated false cries cause the villagers to ignore his real warning.

“If we know the truth and do not live it, our life is—a lie.”

Knowing what is right is not enough in Jordan’s framework; conduct that contradicts acknowledged truth creates a gap between belief and lived character.

Source note: The Power of Truth, opening chapter, Project Gutenberg #56020; the dash is retained from the represented public-domain text.

“I speak truth, not so much as I would, but as much as I dare.”

Frank self-description has limits, but Montaigne still treats increasing candor as part of the value of writing honestly about oneself.

Source note: Essays of Montaigne, Book III, Charles Cotton translation; the surrounding passage discusses fidelity and self-report.

“Nothing is at last sacred but the integrity of your own mind.”

Emerson places inner integrity above conformity, arguing that a person should examine inherited standards rather than surrender judgment merely because they are socially approved.

Source note: Self-Reliance, in the passage beginning with Emerson’s argument for nonconformity.

“Truthfulness is at the foundation of all personal excellence.”

Personal excellence is grounded in truthfulness because habits of distortion eventually weaken trust, judgment, and the consistency between principle and action.

Source note: Character, Chapter I, “Influence of Character,” Project Gutenberg #2541. Smiles places the sentence in his discussion of veracity and reliableness, arguing that talent or genius cannot command durable confidence unless conduct can be trusted.

“Lying is the sacrifice of honor to create a wrong impression.”

The sentence defines lying through intended deception: honor is traded away in order to make another person believe something the speaker knows is false.

Source note: The Power of Truth, opening chapter, Project Gutenberg #56020; Jordan contrasts truthful dealing with deliberately creating a false impression.

“There is a vital difference between error and untruthfulness.”

Being mistaken is separated from intentional falsehood, which allows honest uncertainty and correction without confusing every factual error with deceit.

Source note: The Power of Truth, opening chapter, Project Gutenberg #56020; Jordan distinguishes sincere error from deliberate untruthfulness.

“Those who deny freedom to others deserve it not for themselves.”

The statement treats freedom as a principle that cannot be morally reserved for one group while denied to another.

Source note: Letter dated April 6, 1859.

“And ye shall know the truth, and the truth shall make you free.”

Truth is connected with freedom, suggesting that clearer understanding can loosen the control of falsehood and confusion.

Source note: John 8:32, King James Version.

“The web of our life is of a mingled yarn, good and ill together.”

Human life is pictured as a fabric woven from favorable and painful threads rather than a story made from only one kind of experience.

Source note: All’s Well That Ends Well, Act 4, Scene 3.

“Words should serve the fact, and not substitute themselves for it”

Language is assigned a supporting role: words should clarify reality instead of becoming an impressive verbal screen that displaces the thing being discussed.

Source note: The Simple Life, Chapter IV, “Simplicity of Speech,” Mary Louise Hendee translation, Project Gutenberg #23092; Wagner criticizes language that replaces fact with display.

“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.

“It is a mistake always to contemplate the good and ignore the evil”

Keller explicitly rejects an optimism that refuses to see harm, making clear-eyed attention to difficult facts part of her constructive outlook.

Source note: Optimism: An Essay (1903), Project Gutenberg #31622. The following paragraph calls ignorant or indifferent optimism dangerous and false.

“What he says has the ring of sincerity, the hallmark of pure gold.”

Sincerity is presented as a recognizable quality of speech that grows from consistency between what a person knows, believes and chooses to say.

Source note: The Power of Truth, opening chapter, Project Gutenberg #56020; the “pure gold” comparison belongs to Jordan’s description of sincere speech.

“Reading is thinking with some one else's head instead of one's own.”

Reading supplies another mind’s thought, but Schopenhauer warns that consuming ideas should not replace the work of forming one’s own connected judgment.

Source note: Essay “On Books and Reading,” in a public-domain English collection of Schopenhauer’s essays.

“If it is not right, do not do it: if it is not true, do not say it.”

The test is deliberately simple: action and speech should each pass an ethical standard before they are expressed.

Source note: Meditations, Book XII, in George Long’s translation.

“Insincerity is always weakness; sincerity even in error is strength.”

The claim values genuine conviction over calculated pose in literary work, while allowing that sincere writers can still be factually or critically mistaken.

Source note: The Principles of Success in Literature, discussion of sincerity, Project Gutenberg #10420; preserved as Lewes’s literary-critical principle rather than a universal law.

“It is above all things necessary to form a true estimate of oneself.”

A realistic estimate of one’s abilities and limits supports both confidence and humility, reducing the instability that comes from either self-contempt or exaggerated self-belief.

Source note: Of Peace of Mind, section VI; the passage begins Seneca’s practical advice about matching undertakings to one’s actual powers and disposition.

“The more I read, the more I was led to abhor and detest my enslavers.”

Reading gave Douglass language and arguments for realities he already felt, while clearer understanding made the injustice of slavery harder to endure passively.

Source note: Narrative, Chapter VII; the sentence follows his reading of political dialogue and speeches defending emancipation and human rights.

“Wherefore putting away lying, speak every man truth with his neighbour.”

Truthfulness is framed as a responsibility within relationship, not merely as a private personal preference.

Source note: Ephesians 4:25 in the King James Version; the first clause and command are quoted here.

“Seldom, very seldom, does complete truth belong to any human disclosure.”

Austen observes that even sincere accounts can contain omission, disguise, or misunderstanding, which makes careful listening and humility important in judging what people say.

Source note: Emma, Volume III, Chapter 13, during the narrator’s reflection on Emma and Mr. Knightley’s conversation.

“There is no greatness where there is not simplicity, goodness, and truth.”

Greatness is stripped of spectacle and measured instead by moral clarity, goodness, and freedom from unnecessary complication.

Source note: War and Peace; the narrator’s judgment of greatness appears in the novel’s discussion of Kutuzov, simplicity, goodness and truth.

“To go wrong in one’s own way is better than to go right in someone else’s.”

Razumihin values the capacity to make and correct one’s own mistakes over passive dependence on borrowed conclusions, making independent error part of an active search for truth.

Source note: Crime and Punishment, Part III, Chapter I, Constance Garnett translation, Project Gutenberg #2554. Razumihin says this during an excited argument about error, truth and Russia’s habit of living on other people’s ideas; it is character dialogue, not direct Dostoevsky autobiography.

“The fool doth think he is wise, but the wise man knows himself to be a fool.”

Recognizing the limits of one’s knowledge is presented as a mark of wisdom, while certainty about one’s own wisdom can be evidence of the opposite.

Source note: As You Like It, Act 5, Scene 1.

“Of all that is written, I love only what a person hath written with his blood.”

Writing matters most here when it carries lived commitment and experience rather than remaining detached, ornamental, or merely second-hand.

Source note: Thus Spake Zarathustra, “Reading and Writing,” Thomas Common translation.

“Faithful are the wounds of a friend; but the kisses of an enemy are deceitful.”

Honest correction from a real friend may hurt more than flattery, but its purpose and reliability make it more valuable.

Source note: Proverbs 27:6, King James Version.

“Take nothing on its looks; take everything on evidence. There’s no better rule.”

Appearances are weak evidence; better judgment comes from examining what can actually be supported.

Source note: Great Expectations; Jaggers advises Pip.

“Opinion appears to you to be darker than knowledge, but lighter than ignorance?”

Opinion is treated as an intermediate state: it is not complete ignorance, but it also lacks the clarity and stability of knowledge.

Source note: The Republic, Book V; Socrates places opinion between knowledge and ignorance in the argument about what each apprehends.

“Theories thus become instruments, not answers to enigmas, in which we can rest.”

James describes theories as tools for moving inquiry and experience forward rather than final intellectual resting places that eliminate the need for further testing or revision.

Source note: Pragmatism, Lecture II, “What Pragmatism Means”; Project Gutenberg #5116. Capitalization has been normalized from the represented all-caps sentence while the wording is otherwise preserved.

“Whatever I have done I have honestly endeavored to do to the best of my ability.”

Honesty and effort are joined in a self-assessment standard based on doing the best one can, rather than on appearance or outside praise.

Source note: Character Building, “What Is To Be Our Future?”, Project Gutenberg #60484. This sentence completes Washington’s model declaration about conscientious study and work.

“Lying lips are abomination to the LORD: but they that deal truly are his delight.”

The proverb contrasts deception with dependable truthfulness and treats honesty as a moral practice.

Source note: Proverbs 12:22 in the King James Version.

“The men with the muck-rakes are often indispensable to the well-being of society.”

Investigative criticism can serve society, Roosevelt argues, but its usefulness depends on truth, proportion and retaining the ability to distinguish genuine wrongdoing from indiscriminate condemnation.

Source note: The Man with the Muck-Rake, April 14, 1906. This sentence begins a qualification that such critics remain useful only if they know when to stop; the speech is not a blanket rejection of investigative journalism.

“It is necessary to the happiness of man, that he be mentally faithful to himself.”

Paine connects intellectual integrity with well-being: professing beliefs one does not actually hold creates an inward conflict between conscience and public conformity.

Source note: The Age of Reason, Part I, Chapter I; the surrounding passage discusses mental fidelity and unbelief.

“The value of philosophy is, in fact, to be sought largely in its very uncertainty.”

Russell argues that uncertainty can be intellectually valuable because it loosens inherited assumptions and makes room for examined alternatives.

Source note: The Problems of Philosophy, Chapter XV, “The Value of Philosophy.” Project Gutenberg #5827. The sentence opens Russell’s concluding case for philosophy as an antidote to unexamined prejudice and dogmatic certainty.

“I would at times feel that learning to read had been a curse rather than a blessing.”

Knowledge can intensify suffering before it provides a remedy: literacy exposed the full structure of his condition while escape still seemed unavailable.

Source note: Narrative, Chapter VII; Douglass immediately explains that reading opened his eyes to the pit of slavery without yet showing a ladder out.

“Truth is the heart’s loyalty to abstract right, made manifest in concrete instances.”

Jordan connects principle with practice: loyalty to truth becomes meaningful only when it appears in the specific choices and statements of ordinary life.

Source note: The Power of Truth, opening chapter, Project Gutenberg #56020; the sentence summarizes Jordan’s conduct-of-life definition of truth.

“Beauty is truth, truth beauty,—that is all ye know on earth, and all ye need to know.”

The famous closing joins beauty and truth in a deliberately compressed claim that continues to invite debate rather than a single easy reading.

Source note: “Ode on a Grecian Urn,” closing lines.

“The mind is its own place, and in itself can make a Heaven of Hell, a Hell of Heaven.”

The line gives mental interpretation enormous power, while its speaker and dramatic context also caution against treating self-deception as wisdom.

Source note: Book I; spoken by Satan, so context matters.

“I would rather die having spoken after my manner, than speak in your manner and live.”

Preserving truthful speech and character is valued above survival purchased by abandoning one’s principles merely to satisfy an audience.

Source note: Apology, Jowett translation; Socrates rejects saving himself through a style of pleading he considers unworthy.

“Trust not your self; but your defects to know, make use of ev’ry friend—and ev’ry foe.”

Pope treats criticism from both allies and opponents as information that can expose blind spots.

Source note: An Essay on Criticism, in the passage warning against pride in judgment.

“the entire vitality of art depends upon its being either full of truth, or full of use”

Ruskin judges art by truthful representation or serviceable purpose as well as beauty, refusing to make technical impressiveness sufficient by itself.

Source note: Lectures on Art, Lecture IV “The Relation of Art to Use,” Project Gutenberg #19164. This is Ruskin’s aesthetic criterion, not an empirical definition accepted by all art theory.

“When one is in love one begins by deceiving oneself. And one ends by deceiving others.”

The line turns romance into a two-stage comedy of self-deception and social deception, exaggerating cynicism to expose how desire distorts judgment.

Source note: A Woman of No Importance, Act III; Lord Illingworth answers Gerald’s question about love with the romance/self-deception epigram. The exact catalog wording is supported by this play, not by The Picture of Dorian Gray.

“An hour of plain-dealing does more for the salvation of the world than years of duplicity.”

The contrast gives direct truthful dealing greater moral value than prolonged strategic ambiguity, making sincerity a practical social good rather than mere style.

Source note: The Simple Life, Chapter IV, “Simplicity of Speech,” Mary Louise Hendee translation, Project Gutenberg #23092; the line follows Wagner’s appeal for the “speech of honor.”

“The old believe everything: the middle-aged suspect everything: the young know everything.”

The epigram compresses three stereotypes of certainty into one balanced joke, mocking credulity, suspicion, and youthful overconfidence at once.

Source note: “Phrases and Philosophies for the Use of the Young,” first published in The Chameleon in 1894.

“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.

“If the doors of perception were cleansed every thing would appear to man as it is, Infinite.”

Blake imagines habitual perception as a filter that narrows reality; cleansing it would reveal a less limited world.

Source note: The Marriage of Heaven and Hell, Plate 14; Blake’s prose-poetic argument about the limits and cleansing of perception.

“Everything has evolved; there are no eternal facts, as there are likewise no absolute truths.”

Nietzsche argues for historical philosophizing: concepts and human arrangements should be examined as things that developed rather than treated as timeless givens.

Source note: Human, All-Too-Human, Part I, aphorism 2; Helen Zimmern translation.

“Providing for honest things, not only in the sight of the Lord, but also in the sight of men.”

Integrity includes conduct that can withstand public scrutiny as well as private conviction.

Source note: 2 Corinthians 8:21 in the King James Version.

“They must only bow to the authority of reason, instead of being the modest slaves of opinion.”

Respectability is grounded in independent reasoning rather than deference to social opinion, making judgment more important than approval.

Source note: A Vindication of the Rights of Woman; Wollstonecraft explicitly connects independence of character with the exercise of understanding.

“A long habit of not thinking a thing wrong, gives it a superficial appearance of being right.”

Custom can disguise error by making the familiar feel legitimate; critical judgment requires re-examining practices that have escaped scrutiny through repetition.

Source note: Common Sense, Introduction; Paine uses the observation to explain the resistance that unfamiliar political arguments may initially provoke.

“There is no pre-established harmony between the promotion of truth and the welfare of mankind.”

Nietzsche rejects the comforting assumption that discovering truth must always coincide with human comfort or advantage.

Source note: Human, All-Too-Human, Part I, aphorism 517, “A Fundamental Insight”; Helen Zimmern translation.

“One of the most striking differences between a cat and a lie is that a cat has only nine lives.”

The familiar nine-lives saying becomes a joke about falsehood multiplying beyond control, suggesting that lies can survive correction and keep producing consequences.

Source note: Pudd’nhead Wilson, Chapter VII epigraph; the cat-and-lie comparison is one of the Calendar aphorisms.

“Independence is my happiness, and I view things as they are, without regard to place or person.”

Paine presents independence of judgment as personally valuable because it allows principles to be considered without automatic deference to status, nationality, or person.

Source note: Rights of Man; this sentence precedes Paine’s well-known cosmopolitan statement about country and doing good.

“It is not in being rich that truth and justice would rejoice, but in being trusted and believed.”

The passage separates moral reputation from wealth: truthfulness and justice seek the confidence of other people rather than riches as their characteristic reward.

Source note: The Theory of Moral Sentiments, Part III; this sentence immediately follows Smith’s contrast between humanity seeking love and industry receiving external success.

“Let her and Falsehood grapple; who ever knew Truth put to the worse, in a free and open encounter?”

Milton argues that confidence in truth should make room for open contest rather than prior censorship: ideas gain strength by being tested publicly against what may be false.

Source note: Areopagitica, Project Gutenberg #608. The sentence appears in Milton’s argument against licensing and prior restraint on printing. It is a defense of open intellectual encounter, not a claim that every expression is harmless or beyond later judgment.

“No false move should ever be made to extricate yourself out of a difficulty, or to gain an advantage.”

Franklin uses a rule of fair chess play as an ethical analogy: escaping difficulty through deception destroys trust and turns apparent advantage into unfair conduct.

Source note: The Morals of Chess, composed before 28 June 1779; Founders Online authoritative Franklin Papers text. The sentence is rule three in Franklin’s advice on fair play.

“The unreasonableness of a thing is no argument against its existence, but rather a condition thereof.”

The aphorism separates the fact that something exists from the expectation that existence must be rational or well ordered.

Source note: Human, All-Too-Human, Part I, aphorism 515, “From Experience”; Helen Zimmern translation.

“I saw that that was life itself and that the meaning given to this life was truth, and I accepted it.”

The search for meaning ends here in acceptance of a lived framework Tolstoy regards as true, emphasizing that meaning is not merely an abstract proof but something embodied in life.

Source note: My Confession, Leo Wiener translation; the sentence belongs to Tolstoy’s account of accepting a meaning of life he believed was demonstrated in the lives of the people he had studied.

“We cannot deceive ourselves any of the time, and the only way to enjoy our own respect is to deserve it.”

Self-respect is linked to conduct rather than self-flattery: a stable good opinion of oneself is earned by behaving in ways one can honestly stand behind.

Source note: How to Succeed, “Hold Up Your Head”; Marden follows a Lincoln anecdote by arguing that self-respect depends on deserving one’s own approval.

“The foundation of justice, moreover, is good faith—that is, truth and fidelity to promises and agreements.”

Justice depends on reliable commitments because social cooperation becomes unstable when promises and agreements are treated as optional whenever they become inconvenient.

Source note: De Officiis, Book I, section 23; Cicero defines good faith through truth and fidelity to promises and agreements.

“Partial knowledge is more triumphant than complete knowledge; it takes things to be simpler than they are.”

The warning is that simplified partial explanations can spread more easily precisely because they remove the complications that fuller understanding would have to preserve.

Source note: Human, All-Too-Human, Part I, aphorism 578, “Partial Knowledge”; Helen Zimmern translation; sentence shortened before the final clause about popularity and persuasion.

“Wherefore putting away lying, speak every man truth with his neighbour: for we are members one of another.”

The verse connects truthful speech with mutual dependence: honesty matters because people live in relationship rather than as isolated individuals.

Source note: Ephesians 4:25 in the King James Version.

“Such is the irresistible nature of truth, that all it asks,—and all it wants,—is the liberty of appearing.”

Paine links truth with open expression, arguing that its central requirement is the opportunity to be heard rather than protection from scrutiny.

Source note: Rights of Man; represented in the public-domain Conway edition and kept in the work’s polemical political context.

“Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.”

Knowledge needs ethical direction, while good intentions need understanding; either quality becomes inadequate when separated from the other.

Source note: Chapter 41; the Astronomer explains why both competence and moral character are needed for trust.

“Only by contact with evil could I have learned to feel by contrast the beauty of truth and love and goodness.”

Contrast with what she calls evil sharpens Keller’s appreciation of truth, love and goodness, tying gratitude to moral discernment rather than uncomplicated cheerfulness.

Source note: Optimism: An Essay (1903), Project Gutenberg #31622. The sentence belongs to Keller’s personal moral and religious account of optimism.

“I think I have seen with impartial eyes, and I am sure I have written at least honestly, whether wisely or not.”

Twain distinguishes honest reporting from a claim to perfect judgment, presenting candor and acknowledged fallibility as part of his travel-writing method.

Source note: The Innocents Abroad, author’s preface; Twain explains his departure from conventional travel-book style and qualifies his own judgment.

“Can we so educate a group of students that there will be in every one of them a conscience on which we can depend.”

The educational question shifts attention from acquiring information to developing dependable moral judgment, which Washington treats as a central test of character formation.

Source note: Character Building, “Each One His Part,” Project Gutenberg #60484. Washington asks whether Tuskegee can educate an individual conscience that performs small duties thoroughly even when no audience is watching; the question closes that address’s argument about conscientious responsibility.

“Demand not that events should happen as you wish; but wish them to happen as they do happen, and you will go on well.”

Peace is sought by aligning desire with reality rather than requiring reality to obey preference, a central Stoic distinction between response and circumstance.

Source note: Enchiridion, section 8; Epictetus applies Stoic acceptance to events outside personal control.

“The reading of these documents enabled me to utter my thoughts, and to meet the arguments brought forward to sustain slavery.”

Education supplied language for ideas that had previously lacked expression, turning private awareness into arguments that could confront an unjust system.

Source note: Narrative, Chapter VII; Douglass describes the effect of reading political dialogue and Sheridan’s speech on Catholic emancipation.

“unless all this training of head and hand is based upon high, upright character, upon a true heart, it will amount to nothing.”

Knowledge and practical skill are not sufficient in Washington’s educational ideal unless they are joined to the character with which those abilities are used.

Source note: Character Building, “What Would Father and Mother Say?”, Project Gutenberg #60484. This is Washington’s normative theory of education and character, not a modern educational outcome study.

“Certainly, it is heaven upon earth, to have a man's mind move in charity, rest in providence, and turn upon the poles of truth.”

Bacon joins truth with charity and steadiness, presenting intellectual honesty as part of a well-ordered mind rather than a weapon for pride.

Source note: Of Truth; Bacon closes the essay by linking truth with charity, providence, and a stable mind.

“What can be more delightful than to have some one to whom you can say everything with the same absolute confidence as to yourself?”

Close friendship creates a rare space for frank speech because confidence in the other person removes the need for continual self-protection.

Source note: Laelius on Friendship, translated by Evelyn S. Shuckburgh in Project Gutenberg’s Treatises on Friendship and Old Age.

“Read not to contradict and confute; nor to believe and take for granted; nor to find talk and discourse; but to weigh and consider.”

Bacon describes reading as active judgment rather than passive agreement or reflexive opposition, making careful consideration the central habit of serious study.

Source note: Of Studies, in Bacon’s instructions for how different kinds of books should be read.

“truth, in morals, has ever appeared to me the essence of the sublime; and, in taste, simplicity the only criterion of the beautiful.”

Wollstonecraft makes moral truth and aesthetic simplicity standards of seriousness, rejecting ornate politeness when it conceals what a writer actually believes.

Source note: A Vindication of the Rights of Men, opening letter to Edmund Burke, second edition (1790); this sentence follows Wollstonecraft’s refusal to disguise her sentiments behind courtly politeness.

“It does not pay an individual to do anything except what his conscience will approve of every day, and every hour and minute in the day.”

Washington makes conscience a recurring test of conduct, asking whether ordinary choices can withstand one’s own moral approval rather than merely outside scrutiny.

Source note: Character Building, “What Will Pay?”, Project Gutenberg #60484. Washington reports a discussion of honesty in business and uses conscience as a practical test of conduct; the sentence belongs to that address’s argument that dishonest dealing does not pay.

“Faith, therefore, allows the greatest latitude in philosophic speculation, allowing us without blame to think what we like about anything.”

Spinoza separates faithful conduct from enforced uniformity of speculation: people can differ widely in philosophical belief while still being judged by whether their teaching leads toward justice and charity rather than hatred.

Source note: A Theologico-Political Treatise, Part III, Chapter XIV, Project Gutenberg #991. The sentence is followed by Spinoza’s distinction between opinions that foster obstinacy, hatred and strife and those that support justice and charity.

“If a man will begin with certainties, he shall end in doubts; but if he will be content to begin with doubts, he shall end in certainties.”

Intellectual confidence can be improved by beginning with questions rather than pretending certainty too early.

Source note: The Advancement of Learning, Book I; Bacon contrasts premature certainty with an inquiry willing to begin from doubt and work toward firmer knowledge.

“I prefer to be true to myself, even at the hazard of incurring the ridicule of others, rather than to be false, and incur my own abhorrence.”

Douglass places self-respect above social approval: he would rather risk ridicule for stating what he genuinely believed about his own life than suppress that conviction to satisfy outside judgment.

Source note: Narrative of the Life of Frederick Douglass, Chapter V, Project Gutenberg #23. Douglass is explaining his belief that Providence shaped his removal to Baltimore and immediately connects that belief with a continuing conviction that slavery would not hold him forever.

“The first thing that experience finds to do is to free us from the phantoms of the brain—those false notions that have been put into us in youth.”

Experience is presented as corrective: inherited assumptions and youthful projections can be revised when later encounters expose a mismatch between expectation and reality.

Source note: Counsels and Maxims, T. Bailey Saunders translation; Project Gutenberg #10715. The statement belongs to Schopenhauer’s broader, characteristically pessimistic discussion of age and experience.

“The Academy should be impartial in conduct; while it aims to exalt the people it should aim to do so by truth—not by lies, by honesty—not by flattery.”

Du Bois argues that collective advancement requires truthful self-assessment rather than flattering narratives, making honesty part of responsible institutional leadership.

Source note: The Conservation of Races, discussion of the American Negro Academy’s conduct; Project Gutenberg #5685. The line is a direct institutional principle within Du Bois’s 1897 address, while the essay’s period racial classifications remain historically contextualized.

“Sensibility is the manie of the day, and compassion the virtue which is to cover a multitude of vices, whilst justice is left to mourn in sullen silence, and balance truth in vain.”

The polemical contrast warns that displays of feeling can become morally evasive when sympathy is praised while justice and truth are neglected.

Source note: A Vindication of the Rights of Men; Wollstonecraft is criticizing sentimental rhetoric in Burke, so the passage should not be read as a rejection of compassion itself.

“If all mankind minus one, were of one opinion, and only one person were of the contrary opinion, mankind would be no more justified in silencing that one person, than he, if he had the power, would be justified in silencing mankind.”

Mill makes the number of people holding an opinion irrelevant to their right to silence dissent: minority speech remains worth protecting even when nearly everyone else believes it wrong.

Source note: On Liberty, Chapter II, Project Gutenberg #34901. Mill’s next argument is epistemic as well as political: suppressing an opinion can deprive everyone of truth or of the clearer understanding created when truth is tested against error.

“The scientific attitude of mind involves a sweeping away of all other desires in the interests of the desire to know—it involves suppression of hopes and fears, loves and hates, and the whole subjective emotional life, until we become subdued to the material, able to see it frankly, without preconceptions, without bias, without any wish except to see it as it is, and without any belief that what it is must be determined by some relation, positive or negative, to what we should like it to be, or to what we can easily imagine it to be.”

Inquiry becomes more reliable when the wish to know is allowed to challenge hopes, fears and preferences that would otherwise predetermine the answer.

Source note: Mysticism and Logic and Other Essays, “The Place of Science in a Liberal Education.” Russell continues by describing an attempt to see material frankly, without preconception or wishful bias.