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Wit & humor quotes, explained

The funniest famous lines, and who really said them. Each one is checked against its original source, so you know who really said it before you use it.

✕ Misattributed · Start here
“Insanity is doing the same thing over and over again and expecting different results.”
Often credited to Albert Einstein · 1981
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✕ Misattributed
“Insanity is doing the same thing over and over again and expecting different results.”
Often credited to Albert Einstein · Narcotics Anonymous basic text (earliest known version) · 1981

A saying from the recovery movement of the early 1980s. There is no trace of it in Einstein's papers, letters or interviews.

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“All art is quite useless.”
Oscar Wilde · Preface to The Picture of Dorian Gray · 1891 · Playwright

Art is not meant to teach, preach or serve a practical purpose. Its value is that it is beautiful and gives pleasure, the way a flower does.

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“Annual income twenty pounds, annual expenditure nineteen nineteen and six, result happiness. Annual income twenty pounds, annual expenditure twenty pounds ought and six, result misery.”
Charles Dickens · David Copperfield, Chapter 12 (Mr Micawber) · 1850 · Writer

If you spend even a little less than you earn, you are fine. If you spend even a little more, you are in trouble. The size of the gap matters less than which side of the line you are on.

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“Be yourself; everyone else is already taken.”
Often credited to Oscar Wilde · Anonymous; first found in a 1999 Usenet post · 1999

A witty push to be authentic. It is not found anywhere in Wilde's works; the earliest known exact match is anonymous and from 1999, a century after his death.

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“Brevity is the soul of wit.”
William Shakespeare · Hamlet, Act 2, Scene 2 · 1600 · Playwright

Polonius declares that being brief is the essence of intelligence, in the middle of one of the longest-winded speeches in the play. “Wit” meant good sense, not just humor.

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“Christmas won't be Christmas without any presents.”
Louisa May Alcott · Little Women, chapter 1, opening line · 1868 · Writer

Jo March grumbles that Christmas is ruined because the family is too poor for gifts. The rest of the chapter shows the sisters discovering that giving to others makes the day.

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“Curiosity killed the cat.”
Traditional proverb · English proverb; recorded as “curiosity killed the cat” in James Allan Mair's Handbook of Proverbs · 1873

Being too nosy can get you into trouble. It is usually said as a light warning to someone asking too many questions.

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≈ Paraphrase
“Democracy is the worst form of government, except for all the others.”
Winston Churchill · Speech to the House of Commons · 1947 · Politician

Churchill did say this in Parliament in 1947, but in longer words and with a twist most people miss. He introduced it as something “that has been said,” not as his own invention.

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≈ Paraphrase
“Elementary, my dear Watson.”
Arthur Conan Doyle · Not in the Holmes stories; exact phrase in P. G. Wodehouse, Psmith, Journalist · 1893 · Writer

The catchphrase of Sherlock Holmes, which he never says in the original stories. Holmes does say “Elementary” and “my dear Watson,” but never together.

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“Great minds think alike.”
Traditional proverb · English proverb; older form “great wits jump” in Laurence Sterne's Tristram Shandy · 1760

Said, usually as a joke, when two people have the same idea at the same time. It flatters both of them.

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≈ Paraphrase
“Houston, we have a problem.”
Jack Swigert · Apollo 13 air-to-ground transmission · 1970 · Explorer

The calm radio call from Apollo 13 after an oxygen tank exploded. The real words were “we've had a problem,” said first by Jack Swigert and repeated by Jim Lovell.

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“In this world nothing can be said to be certain, except death and taxes.”
Benjamin Franklin · Letter to Jean-Baptiste Le Roy · 1789 · Politician

A wry aside in a letter about the new U.S. Constitution. Franklin made it famous, but the joke was already in print more than seventy years earlier.

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“It is a truth universally acknowledged, that a single man in possession of a good fortune, must be in want of a wife.”
Jane Austen · Pride and Prejudice, Chapter 1 · 1813 · Writer

Austen's narrator states a “universal truth” that is really a joke: it is the families of single women who want a rich bachelor, not the bachelor who wants a wife.

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“It is a wise child that knows his own father.”
Homer · The Odyssey, Book 1 (Samuel Butler's translation) · 700 BC · Poet

Telemachus, whose father Odysseus left for war when he was a baby, says he has only his mother's word for who his father is. No child can be completely sure.

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“It is a wise father that knows his own child.”
William Shakespeare · The Merchant of Venice, Act 2, Scene 2 · 1597 · Playwright

A joke turned into a proverb: even a father may not truly know his child. Shakespeare reverses the older saying that it is a wise child who knows its own father.

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✕ Misattributed
“Let them eat cake.”
Often credited to Marie Antoinette · Jean-Jacques Rousseau, Confessions · 1765

A story about an unnamed “great princess” in Rousseau's memoirs, written when Marie Antoinette was about ten years old and living in Vienna. Revolutionary-era propaganda and later writers attached it to her.

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“Now is the accepted time to make your regular annual good resolutions. Next week you can begin paving hell with them as usual.”
Mark Twain · “New Year's Day,” local column, Territorial Enterprise (Virginia City, Nevada) · 1863 · Writer

Everyone makes good resolutions on January 1 and breaks them within days. Twain teases his readers that they will soon be “paving hell” with their good intentions, as they do every year.

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“Quis custodiet ipsos custodes?”
Juvenal · Satires, Satire 6 · 115 · Poet

Latin for “Who will guard the guards themselves?” Today it asks who keeps the powerful honest when they are the ones meant to keep everyone else in line.

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≈ Paraphrase
“Reports of my death are greatly exaggerated.”
Mark Twain · Note to a reporter, printed in the New York Journal · 1897 · Writer

Twain's joke when a newspaper wrongly reported he was dying. His real words were drier: “The report of my death was an exaggeration.”

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✕ Misattributed
“The coldest winter I ever spent was a summer in San Francisco.”
Often credited to Mark Twain · Anonymous weather joke, attached to Twain in the 20th century · 1789

An old joke about a cold summer, retold about many cities. Twain's papers contain nothing like it about San Francisco, though he did once retell an older version about Paris.

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✕ Misattributed
“When I was a boy of fourteen, my father was so ignorant I could hardly stand to have the old man around. But when I got to be twenty-one, I was astonished at how much the old man had learned in seven years.”
Often credited to Mark Twain · Anonymous; the familiar wording was printed in The Reader's Digest · 1937

A teenager thinks his father knows nothing. A few years later, grown up, he realizes his father was wise all along. The joke is that it was the son who changed.

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