Did They Really Say That?
22 Famous Quotes, Checked Against the Source

A quotation is easy to get wrong and hard to take back. It travels as a screenshot, it rarely gets checked, and after enough repetitions the name and the sentence feel welded together.

So we checked twenty-two of them, not against quote-aggregator websites but, wherever we could, against the text each line is supposed to come from: the Meditations, the collected works, the film, the telegram, the novel.

Two hold up as quoted. Six are real but have drifted: wrong speaker, wrong wording, or a condition dropped. Three were written for the stage or the screen. Eleven belong to somebody else. Here is every one, with a verdict.

How we checked

Each quotation was traced to a primary source or a dated record: a passage number in the work, a dated speech or telegram, a named interview, or a published study of where a saying came from. Where nothing like that exists, the entry says so rather than guessing.

Quote-aggregator websites were not used as evidence. They often repeat a line with a famous name attached and no citation.

The verdicts:

• True: they said it, and we can point at where.
• Partly true: real, but the wording, the speaker or the meaning has drifted.
• Film line: a screenwriter wrote it. It is often good. It is not history.
• Fiction: a playwright or novelist wrote it for a character.
• Myth: the credited person did not say it, as far as the record shows.

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The ancients

“You have power over your mind — not outside events. Realize this, and you will find strength.”

Credited to: Marcus Aurelius

Myth We could not find it in the Meditations. It is not in George Long’s translation or in the older Casaubon translation on Project Gutenberg, and we found no book-and-section number attached to it anywhere we looked. It reads as a modern paraphrase.

What Marcus did write, in Meditations 8.47 (Long’s translation), is the thought the paraphrase is squeezing: “If thou art pained by any external thing, it is not this thing that disturbs thee, but thy own judgment about it. And it is in thy power to wipe out this judgment now.” A similar split opens Epictetus’s Enchiridion: “There are things which are within our power, and there are things which are beyond our power.”

“Live every day as if it were your last.”

Credited to: Marcus Aurelius, usually as an argument for urgency

Partly true The idea is his, Meditations 7.69, but the sentence has conditions attached that rarely survive the screenshot. In Long’s translation: “The perfection of moral character consists in this, in passing every day as the last, and in being neither violently excited nor torpid nor playing the hypocrite.”

That is less a call to cram more in than a call for composure. The motivational version keeps the first half of a sentence whose second half pulls the other way.

“The good life is one inspired by love and guided by knowledge.”

Credited to: Marcus Aurelius

Myth This is Bertrand Russell, in his 1925 book What I Believe, chapter “The Good Life”.

“Fire tests gold; misfortune, brave men.”

Credited to: Seneca

True De Providentia 5.9: ignis aurum probat, miseria fortes viros. It is a case where the short English version is close to the Latin, because the Latin was already that short.

“The greatest wealth is health.”

Credited to: Virgil

Myth We found no Latin original. We searched the Eclogues, the Georgics and the Aeneid for the Latin words for health (valetudo, sanitas) and found none, and we found no ancient source that gives the line. It looks like a modern aphorism that picked up a Roman name.

“If the problem can be solved, why worry? If it cannot be solved, worrying will do no good.”

Credited to: the Buddha

Partly true There is no evidence that the Buddha said it, but it is Buddhist and old. The argument is Shantideva’s, Bodhicaryāvatāra 6.10, written by a Buddhist monk who lived between the late 7th and mid-8th century. The Sanskrit reads yadyastyeva pratīkāro daurmanasyena tatra kim / atha nāsti pratīkāro daurmanasyena tatra kim, which in our literal rendering is: “If there is a remedy, what is the use of dejection? And if there is no remedy, what is the use of dejection?”

Epictetus had divided the world in a similar way centuries earlier, in Enchiridion 1.

“I will either find a way or make one.”

Credited to: Hannibal, at the Alps

Myth Neither Polybius nor Livy, who both describe the crossing of the Alps, has Hannibal say anything like it, in the English translations we searched.

The oldest version we found is in Seneca’s tragedy Hercules Furens, lines 276–77, in the third person, spoken by Amphitryon about Hercules: inveniet viam aut faciet, “he will find a way, or make one.” It is about Hercules returning from the underworld.

“With your shield, or on it.”

Credited to: a Spartan mother sending her son to war

Partly true It is genuinely ancient, but it is not contemporary reporting. It comes from Plutarch’s Sayings of Spartan Women, where one mother, handing her son his shield, says “Either this or upon this.” Plutarch, from Chaeronea in Boeotia, lived around AD 45 to 120, centuries after the Sparta the sayings describe.

That does not make it false. It makes it a later collection of Spartan sayings, which is a different kind of source from an eyewitness, and worth knowing when the line is used as evidence of how Spartans behaved.

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History

“Beware the Ides of March.”

Credited to: Julius Caesar

Fiction It is Shakespeare’s, from Julius Caesar, Act I Scene 2, a play the Folger Shakespeare Library dates to 1599, and the Soothsayer says it to Caesar. Caesar’s reply is “He is a dreamer; let us leave him. Pass.”

There is a historical kernel. Plutarch writes that a seer warned Caesar of great peril on the Ides of March, and Suetonius names the soothsayer Spurinna. The four famous words are Shakespeare’s.

“History is a set of lies agreed upon.”

Credited to: Napoleon Bonaparte

Partly true Napoleon said something close, and did not claim it as his own. In the journal Las Cases kept on Saint Helena, for November 1816, Napoleon asks “What then is, generally speaking, the truth of history? A fable agreed upon,” adding “as it has been very ingeniously remarked.”

Quote Investigator traces the idea to Fontenelle’s 1724 essay L’Origine des fables, which was about ancient history and uses fables, not lies. The version with “lies agreed upon” appears later; the orator Wendell Phillips used “series of lies agreed upon” in a speech printed in 1881.

“The unleashed power of the atom has changed everything save our modes of thinking.”

Credited to: J. Robert Oppenheimer

Myth It is Albert Einstein’s, from a telegram appeal for the Emergency Committee of Atomic Scientists, reported by the New York Times in May 1946. The full line ends “…and we thus drift toward unparalleled catastrophe.”

In our reading, the misattribution is easy to understand: it is a line about the bomb, so it drifts to the name most people connect with the bomb.

“Now I am become Death, the destroyer of worlds.”

Credited to: J. Robert Oppenheimer

True He said it on camera in NBC’s 1965 documentary The Decision to Drop the Bomb, recalling the first nuclear test on 16 July 1945 and quoting the Bhagavad Gita: “I remembered the line from the Hindu scripture the Bhagavad Gita.”

What is on record is the 1965 recollection. Whether the line went through his mind at the test itself rests on his word; others present did not recall him saying it there.

“Now we are all sons of bitches.”

Credited to: Oppenheimer, at Trinity

Myth Kenneth Bainbridge, the physicist who directed the Trinity test, said it to Oppenheimer right after the detonation. In his own 1975 account, Bainbridge wrote that Oppenheimer told his younger daughter in 1966 “that it was the best thing anyone said after the test.”

“Be the change you wish to see in the world.”

Credited to: Mahatma Gandhi

Myth Writing in the New York Times in August 2011, Brian Morton found “no reliable documentary evidence” for the quotation. Quote Investigator’s earliest close match is from 1974, by the educator Arleen Lorrance; Gandhi died in 1948. Gandhi’s family has said he often said it, but no one has found it in his writings.

The closest real passage is in Gandhi’s Indian Opinion article of 9 August 1913, printed in volume XII of his Collected Works: “If we could change ourselves, the tendencies in the world would also change. As a man changes his own nature, so does the attitude of the world change towards him… We need not wait to see what others do.”

The short version loses something. Gandhi is describing how the world responds to a changed person. The slogan turns it into an instruction.

“Success is not final, failure is not fatal: it is the courage to continue that counts.”

Credited to: Winston Churchill

Myth The International Churchill Society lists it among quotes falsely attributed to him: “we can find no attribution” for it.

What Churchill did say, at Harrow School on 29 October 1941, was: “Never give in, never give in, never, never, never — in nothing, great or small, large or petty — never give in except to convictions of honour and good sense.”

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The screen

“It is a kingdom of conscience, or nothing.”

Credited to: a crusader king

Film line Kingdom of Heaven (2005), written by William Monahan. Balian says it, when a knight tells him Jerusalem has no need of a perfect knight. Earlier in the film, Godfrey of Ibelin introduces the phrase: “A kingdom of conscience. A kingdom of heaven.” It is not Baldwin IV’s; his separate speech, “a king may move a man”, was also written for the film.

The sentence is not in William of Tyre’s history of the kingdom.

“It’s not personal, it’s just business.”

Credited to: Don Vito Corleone

Film line and misquoted. The line is Michael’s, not Vito’s, and it runs: “It’s not personal, Sonny. It’s strictly business.” He says it while arguing that the family can kill a crooked police captain, which is the edge the paraphrase loses: a young man persuading his family that murder is a business decision.

“Revenge is a dish best served cold.”

Credited to: The Godfather

Partly true It is in Mario Puzo’s 1969 novel, where Don Corleone says: “Revenge is a dish that tastes best when it is cold.” We did not find it in the dialogue of the 1972 film.

The saying is much older than either. The earliest example Quote Investigator found is Eugène Sue’s 1841 French novel Mathilde, where the speaker calls it something people commonly say; in English it appears by 1846, in a translation of the same novel: “revenge is very good eaten cold, as the vulgar say.”

“Arise, arise, Riders of Théoden!”

Credited to: Tolkien

Partly true The opening cry is Tolkien’s, but the speech people usually quote after it is Peter Jackson’s film version, adapted from Tolkien’s: “Spears shall be shaken, shields shall be splintered! A sword-day! A red day, ere the sun rises!”, followed by “Ride now, ride now, ride! Ride for ruin and the world’s ending!”

In The Return of the King (Book V, ch. 5), Tolkien has “Fell deeds awake: fire and slaughter!”, then “spear shall be shaken, shield be splintered” in the singular, the same “a sword-day, a red day, ere the sun rises!”, and the charge line “Ride now, ride now! Ride to Gondor!” The film’s “Ride for ruin” adapts Éomer’s cry later in the battle, “ride to ruin and the world’s ending”. Our page on the Ride of the Rohirrim sets the two side by side.

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Modern wisdom

“The best way to predict the future is to invent it.”

Credited to: Abraham Lincoln

Myth Quote Investigator found no substantive evidence that Lincoln used it. Alan Kay has said he coined it in 1971, at an early meeting between Xerox PARC researchers and Xerox planners: “In a fit of passion I uttered the quote!”, as he put it in a 1998 email. By 1982 it was being reported as the maxim of the researchers at Xerox PARC.

The idea is older than Kay’s wording: in 1963 the physicist Dennis Gabor wrote “The future cannot be predicted, but futures can be invented.”

“Be so good they can’t ignore you.”

Credited to: Warren Buffett

Myth It is Steve Martin’s answer to people who ask him how to make it in entertainment, as Cal Newport described it in 2008. Newport later used it as the title of his 2012 book So Good They Can’t Ignore You.

It is advice about becoming excellent at something. Attaching it to an investor quietly changes what it is about.

“The only limit to our realization of tomorrow will be our doubts of today.”

Credited to: Napoleon Hill, among others

Myth as Napoleon Hill. It is Franklin D. Roosevelt’s, word for word, from the address he prepared for Jefferson Day dinners on 13 April 1945. The next line is “Let us move forward with strong and active faith.” He worked on the speech on 11 April and died on 12 April 1945, so it was never delivered.

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What the misses have in common

Twenty-two quotations, and in our reading the misses fall into four shapes. Once you know them, they are easier to spot.

1. The name gets upgraded. A less famous author is replaced by a famous one in the same territory. Einstein’s line about the atom drifts to Oppenheimer. Steve Martin’s line drifts to a billionaire. Alan Kay’s line drifts to Lincoln. The sentence survives; the credit moves up.
2. The paraphrase eats the original. Someone summarises a passage well, the summary is shorter and more quotable, and in time the summary is shared as the quotation. That is the story of the Marcus Aurelius line at the top of this page.
3. Fiction gets promoted to history. A writer gives a historical character the perfect line, and it is soon quoted as something the character said. Balian, Théoden, the Soothsayer, Michael Corleone.
4. The condition gets dropped. The quotation is real and the qualifier is gone. Marcus says to pass every day as the last “neither violently excited nor torpid nor playing the hypocrite”; the popular version keeps the urgency and drops the rest.

How to check one yourself, in about two minutes

• Ask for the passage. A real quotation from a book has a chapter, a section or a letter number. If nobody can produce one, that tells you something.
• Search the text, not the web. Many of the works quoted here are out of copyright and searchable on Project Gutenberg, Wikisource or the Latin Library. Searching the book itself takes seconds.
• Treat quote sites as leads, not evidence. Ten of them agreeing can be one unsourced claim copied ten times.
• Check the lines you like best first. A quotation that fits your argument perfectly may fit because somebody polished it.
• Check whether the person could have said it. Dates, language and subject matter all help.

Sources

• Marcus Aurelius, Meditations, 7.69 and 8.47, trans. George Long (Project Gutenberg #15877); Casaubon translation (Project Gutenberg #2680), searched.
• Epictetus, Enchiridion, 1, trans. T. W. Higginson (Project Gutenberg #45109).
• Bertrand Russell, What I Believe (1925), Project Gutenberg #73782.
• Seneca, De Providentia 5.9, Latin text (The Latin Library); Hercules Furens 276–77, Dickinson College Commentaries.
• Virgil, Eclogues, Georgics and Aeneid, Latin text (The Latin Library), searched.
• Śāntideva, Bodhicaryāvatāra 6.10, Sanskrit text (GRETIL); Monier-Williams Sanskrit-English Dictionary (Cologne Digital Sanskrit Dictionaries); Stanford Encyclopedia of Philosophy, “Śāntideva”.
• Polybius, Histories, trans. E. S. Shuckburgh (Project Gutenberg #44125); Livy, History of Rome, trans. Spillan and Edmonds (Project Gutenberg #10907), searched.
• Plutarch, Sayings of Spartan Women, trans. F. C. Babbitt (LacusCurtius); Plutarch, Caesar 63 (LacusCurtius); Suetonius, Julius 81 (LacusCurtius); Stanford Encyclopedia of Philosophy, “Plutarch”.
• William Shakespeare, Julius Caesar, I.ii (Project Gutenberg #1522); Folger Shakespeare Library.
• Quote Investigator: “What Is History But a Fable Agreed Upon?”; “Be the Change You Wish To See in the World”; “Revenge Is a Dish Best Eaten Cold”; “We Cannot Predict the Future, But We Can Invent It”.
• Bulletin of the Atomic Scientists: Robert R. Holt, “Meeting Einstein’s challenge” (2015); “Trinity, now and then” (2015), quoting Kenneth Bainbridge’s 1975 account; National Park Service, “Kenneth Bainbridge”.
• Contingent Magazine, “The Destroyer” (2023), transcribing NBC, The Decision to Drop the Bomb (1965).
• Gandhi, “General Knowledge About Health”, Indian Opinion, 9 August 1913, Collected Works vol. XII.
• International Churchill Society, “Quotes Falsely Attributed” and “Never Give In” (Harrow, 1941).
• Kingdom of Heaven (2005) and The Godfather (1972), scene transcripts on Clip.Cafe; The Godfather subtitle transcript (Subs like Script).
• J. R. R. Tolkien, The Return of the King, Book V, ch. 5 (Internet Archive, search-inside).
• The Return of the King (2003), film transcript (tk421.net); film page on Clip.Cafe.
• Bodhipaksa, “If the problem can be solved why worry?”, Fake Buddha Quotes (2018).
• Cal Newport, “The Steve Martin Method” (2008) and author page.
• Franklin D. Roosevelt, “Undelivered Address Prepared for Jefferson Day” (American Presidency Project); FDR Library, “FDR: Day by Day” (April 1945) and FDR biography.

Checked September 2026. Where a line could not be traced to a primary source, this page says that rather than offering a guess. If you can produce a citation for anything marked here as a myth (a book and page, a dated speech, a letter), we want to see it: hacksvitae@gmail.com.

Related reading on this site: Older Than You Think — modern life rules and where they actually come from, 18 timeless Stoicism quotes, what Kingdom of Heaven invents about Baldwin IV, and the Ride of the Rohirrim, film and text.