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Q1217This comes from Sagan's Cosmos world of science communication. The source context is cosmic perspective: wonder becomes a way to learn humility and responsibility. Carl Sagan (1934–1996) was an American astronomer and science communicator who brought the cosmos to millions through 'Cosmos'.
Q1218Widely attributed to Richard Feynman, but not found in his books, lectures or recorded talks. It matches his stance so well that the misattribution is understandable — he genuinely said he could live with doubt and uncertainty, and found it “much more interesting” than answers that might be wrong. Questions keep inquiry alive; unquestionable answers end it.
Q1219Verified Feynman: from “Cargo Cult Science”, his 1974 Caltech commencement address on scientific integrity. The full line — “The first principle is that you must not fool yourself, and you are the easiest person to fool” — introduces his demand that scientists report everything that might make their result wrong, not just what supports it. Self-deception, he argued, is the root failure all method exists to prevent.
Q1220Verified Hawking: he gave this advice in a 2010 ABC News interview with Diane Sawyer and repeated it opening the 2012 London Paralympics — “Remember to look up at the stars and not down at your feet.” From a cosmologist who spent half a century almost unable to move his body, the sentence is not a platitude; it is a biography compressed to one line.
Q1221Widely attributed to Stephen Hawking, but no source in his books, lectures or interviews has been found; quote researchers class it as a modern coinage that borrowed his prestige. Hawking's genuine view was nearby but subtler — he prized the capacity to change one's mind, famously conceding lost bets about black holes in public.
Q1222A signature Jane Goodall message, repeated across her books, lectures and interviews in slightly varying words — the Jane Goodall Institute uses it as a motto. Her authority behind it is unusual: she documented tool use in wild chimpanzees in 1960, upending the definition of humanity, then spent the following decades arguing that knowledge obliges action.
Q1223Goodall's often-stated chain of conservation logic, delivered in versions across her lectures and writing: understanding produces care, care produces help. It reverses the usual order of activism — she begins not with alarm but with intimacy. You protect, she argues, what you have truly come to know; ignorance, not malice, is nature's most common enemy.
Q1224A revealing case: nothing Hypatia said survives — the ancient sources describe her but preserve no quotations. This line was written by the American author Elbert Hubbard in his Little Journeys series (1908), where he freely invented speeches for her. It endures because the thought deserves an author: reserving the right to think, even wrongly, is the precondition of ever thinking well.
Q1225Working in Baghdad's House of Wisdom in the 9th century, al-Khwarizmi helped found algebra: 'algebra' comes from the title of his book 'al-jabr', and 'algorithm' from the Latin form of his own name. Every time a computer follows a step-by-step procedure, the word quietly carries the name of a medieval mathematician.
Q1226This comes from Austen's Northanger Abbey, a playful novel about reading, imagination, manners, and Gothic fantasy meeting ordinary social life. Jane Austen (1775–1817) was an English novelist celebrated for her wit and sharp social observation in novels like 'Pride and Prejudice'.
Q1227This line comes from Pride and Prejudice. Austen's source context matters: the sentence is social comedy, using polished certainty to expose how marriage, money, and status are talked about. Jane Austen (1775–1817) was an English novelist celebrated for her wit and sharp social observation in novels like 'Pride and Prejudice'.
Q1230This comes from Jane Eyre. The source context is conscience and autonomy: feeling deeply does not mean surrendering the right to choose one's own life. Charlotte Brontë (1816–1855) was an English novelist, author of 'Jane Eyre' and the eldest of the three writing Brontë sisters.
Q1231This comes from Jane Eyre. The source context is conscience and autonomy: feeling deeply does not mean surrendering the right to choose one's own life. Charlotte Brontë (1816–1855) was an English novelist, author of 'Jane Eyre' and the eldest of the three writing Brontë sisters.
Q1232Emily Brontë (1818–1848) was an English novelist and poet, author of her only novel, 'Wuthering Heights'.
Q1235Authentic Plath, from her journals (published complete in 2000): the passage mourns abundance — “I can never read all the books I want; I can never be all the people I want and live all the lives I want.” It is not complaint but appetite: Plath's hunger to multiply herself through experience is the same force that powered the poems.
Q1236Authentic Plath, from her journals; the full sentence keeps its sting — “everything in life is writable about if you have the outgoing guts to do it, and the imagination to improvise. The worst enemy to creativity is self-doubt.” Written by a young writer coaching herself, it is craft advice and self-defence in one breath.
Q1237From Simone de Beauvoir’s The Second Sex (1949), this sentence became one of modern feminism’s defining lines. It argues that “woman” is not only a biological category but a social position formed through education, custom, expectation and power.
Q1238Widely attributed to Simone de Beauvoir; the wording circulates without a fixed citation, though it closely matches the self-portrait in her letters and memoirs. The sentence is not vanity but inventory: Beauvoir built a life — philosophy, novels, an unconventional lifelong partnership with Sartre on her own terms — that no one else was ever going to administer for her.
Q1239Hannah Arendt (1906–1975) was a German-American political theorist known for her work on power, freedom, and totalitarianism.
Q1240Hannah Arendt (1906–1975) was a German-American political theorist known for her work on power, freedom, and totalitarianism.
Q1241For decades this was “Anaïs Nin's most famous line” — but it appears nowhere in her diaries or fiction. In 2013 the writer Elizabeth Appell showed she had written it in 1979 as the headline for a John F. Kennedy University class schedule. The image needed no famous name: staying closed has a price too, and one day it quietly exceeds the price of opening.
Q1242From Kierkegaard's journals (1843). He adds the harder half: because life must be lived forwards, its meaning often arrives only after we have already acted.
Q1243Not found in Montaigne's Essays in this form, so the attribution is popular rather than proven — but it distils a genuine Montaigne theme. He wrote: “He who fears he shall suffer, already suffers what he fears.” Four centuries before cognitive therapy, Montaigne had the diagnosis: imagined misfortunes collect real payments.
Q1244From a collection of Epicurean sayings preserved in a Vatican manuscript. Epicurus taught that most unhappiness comes from wanting what is neither natural nor necessary — and that remembering this is a skill, not a mood.
