--- title: "Meaning & Key Takeaway of: The truth of a proposition has nothing to…" description: "\"The truth of a proposition has nothing to do with its credibility. And vice versa.\" — Robert A. Heinlein" image: "https://sms4smile.com/quotes/i/210/robert-a-heinlein-209_credibility_the-truth-of-a-proposition-has-nothing-t_936742.jpg" --- # The truth of a proposition has nothing to do with its… ![“The truth of a proposition has nothing to do with its credibility. And vice versa.” quote by Robert A. Heinlein](https://sms4smile.com/quotes/i/210/robert-a-heinlein-209_credibility_the-truth-of-a-proposition-has-nothing-t_936742.jpg) [Download](https://sms4smile.com/quotes/i/210/robert-a-heinlein-209_credibility_the-truth-of-a-proposition-has-nothing-t_936742.jpg) [Open image](https://sms4smile.com/quotes/i/210/robert-a-heinlein-209_credibility_the-truth-of-a-proposition-has-nothing-t_936742.jpg) > “The truth of a proposition has nothing to do with its credibility. And vice versa.” [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Truth and credibility are independent; a statement can be true yet not credible, and vice versa. **In simple terms:** Truth ≠ credibility. Key Takeaway Evaluate both factual truth and trustworthiness. Themes philosophy logic communication Mood analytical critical Type philosophical educational When to use this quote - debates - media reporting - scientific claims Key Concepts epistemology credibility assessment Questions to Reflect On - How do you judge credibility? - When can a false claim be credible? A Different Perspective Credibility often depends on source bias. ★ ★ ★ ★ ★ No ratings yet [Credibility](https://sms4smile.com/quotes/about/credibility/) [Inspirational](https://sms4smile.com/quotes/about/inspirational/) [Proposition](https://sms4smile.com/quotes/about/proposition/) [Science](https://sms4smile.com/quotes/about/science/) [Truth](https://sms4smile.com/quotes/about/truth/) [Vices](https://sms4smile.com/quotes/about/vices/) ## Related quotes > [You cannot 'rationalize' what is not rational to begin with - as if lying were called 'truthization.' There is no way to obtain more…](https://sms4smile.com/quotes/eliezer-yudkowsky/you-cannot-rationalize-what-is-not-rational-to-begin-with-as-if-lying/) [Eliezer Yudkowsky](https://sms4smile.com/quotes/author/eliezer-yudkowsky/) > [“The credibility of the teller is the ultimate test of the truth of a proposition. (102)”](https://sms4smile.com/quotes/neil-postman/the-credibility-of-the-teller-is-the-ultimate-test-of-the-truth-of-a/) [Neil Postman](https://sms4smile.com/quotes/author/neil-postman/) > [“the truth of that proposition and act on it, then we might not solve every problem, but we can get something meaningful done. It…](https://sms4smile.com/quotes/barack-obama/the-truth-of-that-proposition-and-act-on-it-then-we-might-not-solve/) [Barack Obama](https://sms4smile.com/quotes/author/barack-obama/) > [I always said marriage should be a fifty-fifty proposition. He should be at least fifty years old, and have at least fifty-million dollars.](https://sms4smile.com/quotes/zsa-zsa-gabor/i-always-said-marriage-should-be-a-fifty-fifty-proposition-he-should/) [Zsa Zsa Gabor](https://sms4smile.com/quotes/author/zsa-zsa-gabor/) > [The atheist proposition is the following - most of the time - it may not be said that there is no god; it may…](https://sms4smile.com/quotes/christopher-hitchens/the-atheist-proposition-is-the-following-most-of-the-time-it-may-not/) [Christopher Hitchens](https://sms4smile.com/quotes/author/christopher-hitchens/) > [Our marriage has always been a 50-50 proposition - with the possible exception of closet space.](https://sms4smile.com/quotes/gene-perret/our-marriage-has-always-been-a-50-50-proposition-with-the-possible/) [Gene Perret](https://sms4smile.com/quotes/author/gene-perret/) > [I'd say pot has been a break-even proposition for me.](https://sms4smile.com/quotes/george-carlin/i-d-say-pot-has-been-a-break-even-proposition-for-me/) [George Carlin](https://sms4smile.com/quotes/author/george-carlin/) > [Truth then seems to me, in the proper import of the word, to signify nothing but the joining or separating of Signs, as the…](https://sms4smile.com/quotes/john-locke/truth-then-seems-to-me-in-the-proper-import-of-the-word-to-signify/) [John Locke](https://sms4smile.com/quotes/author/john-locke/) > [Marriage isn't a 50-50 proposition very often. It's more like 100-0 one moment and 0-100 the next.](https://sms4smile.com/quotes/billie-jean-king/marriage-isn-t-a-50-50-proposition-very-often-it-s-more-like-100-0/) [Billie Jean King](https://sms4smile.com/quotes/author/billie-jean-king/) > [If you cannot state a proposition clearly and unambiguously, you do not understand it.](https://sms4smile.com/quotes/milton-friedman/if-you-cannot-state-a-proposition-clearly-and-unambiguously-you-do/) [Milton Friedman](https://sms4smile.com/quotes/author/milton-friedman/) > [The above proposition is occasionally useful.](https://sms4smile.com/quotes/bertrand-russell/the-above-proposition-is-occasionally-useful/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [ \[In many circumstances,\] the most important thing about a proposition is not that it be true, but that it be interesting. ](https://sms4smile.com/quotes/alfred-north-whitehead/in-many-circumstances-the-most-important-thing-about-a-proposition-is/) [Alfred North Whitehead](https://sms4smile.com/quotes/author/alfred-north-whitehead/) > [A proposition of geometry does not compete with life; and a proposition of geometry is a fair and luminous parallel for a work of…](https://sms4smile.com/quotes/robert-louis-stevenson/a-proposition-of-geometry-does-not-compete-with-life-and-a/) [Robert Louis Stevenson](https://sms4smile.com/quotes/author/robert-louis-stevenson/) > [A propositional sign, applied and thought out, is a thought. A thought is a proposition with a sense.](https://sms4smile.com/quotes/ludwig-wittgenstein/a-propositional-sign-applied-and-thought-out-is-a-thought-a-thought/) [Ludwig Wittgenstein](https://sms4smile.com/quotes/author/ludwig-wittgenstein/) > [ The California proposition \[Prop. 187\] is one I would agree with. That's the easiest way to put it. ](https://sms4smile.com/quotes/bob-dole/the-california-proposition-prop-187-is-one-i-would-agree-with-that-s/) [Bob Dole](https://sms4smile.com/quotes/author/bob-dole/) ## More by Robert A. Heinlein > [Social responsibility above the level of family, or at most of tribe, requires imagination-- devotion, loyalty, all the higher virtues -- which a man…](https://sms4smile.com/quotes/robert-a-heinlein/social-responsibility-above-the-level-of-family-or-at-most-of-tribe/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [My folks tried to make a preacher of me and missed by a narrow margin… I would have made a good one if I…](https://sms4smile.com/quotes/robert-a-heinlein/my-folks-tried-to-make-a-preacher-of-me-and-missed-by-a-narrow-margin/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [Ninety percent of all human wisdom is the ability to mind your own business.](https://sms4smile.com/quotes/robert-a-heinlein/ninety-percent-of-all-human-wisdom-is-the-ability-to-mind-your-own/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [If we blow ourselves up we will do it by misapplication of science; if we manage to keep from blowing ourselves up, it will…](https://sms4smile.com/quotes/robert-a-heinlein/if-we-blow-ourselves-up-we-will-do-it-by-misapplication-of-science-if/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [Nor would anybody suspect. If was one thing all people took for granted, was conviction that if you feed honest figures into a computer,…](https://sms4smile.com/quotes/robert-a-heinlein/nor-would-anybody-suspect-if-was-one-thing-all-people-took-for/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [Women will forgive anything. Otherwise, the race would have died out long ago.](https://sms4smile.com/quotes/robert-a-heinlein/women-will-forgive-anything-otherwise-the-race-would-have-died-out/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [Most neuroses and some psychoses can be traced to the unnecessary and unhealthy habit of daily wallowing in the troubles and sins of five…](https://sms4smile.com/quotes/robert-a-heinlein/most-neuroses-and-some-psychoses-can-be-traced-to-the-unnecessary-and/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [No statement should be believed because it is made by an authority.](https://sms4smile.com/quotes/robert-a-heinlein/no-statement-should-be-believed-because-it-is-made-by-an-authority/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [“Some people are ants by nature; they have to work, even when it’s useless. Few people have a talent for constructive laziness.”](https://sms4smile.com/quotes/robert-a-heinlein/some-people-are-ants-by-nature-they-have-to-work-even-when-it-s/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [“The instinct to survive is human nature itself, and every aspect of our personalities derives from it. Anything that conflicts with the survival instinct…](https://sms4smile.com/quotes/robert-a-heinlein/the-instinct-to-survive-is-human-nature-itself-and-every-aspect-of/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [“I tried to dig out of the computer a call directory for Luna. But it was still sulking. I could not get it to…](https://sms4smile.com/quotes/robert-a-heinlein/i-tried-to-dig-out-of-the-computer-a-call-directory-for-luna-but-it/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [“this has more aspects than a cat has hair.”](https://sms4smile.com/quotes/robert-a-heinlein/this-has-more-aspects-than-a-cat-has-hair/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [Never own more than you can carry in both hands at a dead run.](https://sms4smile.com/quotes/robert-a-heinlein/never-own-more-than-you-can-carry-in-both-hands-at-a-dead-run/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [“In Wilson's scale of evaluations breakfast rated just after life itself and ahead of the chance of immortality." ~ By His Bootstraps / Robert A. Heinlein”](https://sms4smile.com/quotes/robert-a-heinlein/in-wilson-s-scale-of-evaluations-breakfast-rated-just-after-life/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [Ignorance is curable, stupid is forever.](https://sms4smile.com/quotes/robert-a-heinlein/ignorance-is-curable-stupid-is-forever/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) [Explore all 888 Robert A. Heinlein quotes ](https://sms4smile.com/quotes/author/robert-a-heinlein/) ## More Credibility quotes > [The word of the Lord is this: "Just bless those that persecute you and ask for Justice, for the battle does not belong to…](https://sms4smile.com/quotes/julia-loren/the-word-of-the-lord-is-this-just-bless-those-that-persecute-you-and/) Julia Loren > [The documentary style is an incredibly flexible and useful one. It's a wonderful tool for establishing the credibility of the version of things that's…](https://sms4smile.com/quotes/frank-gohlke/the-documentary-style-is-an-incredibly-flexible-and-useful-one-it-s-a/) [Frank Gohlke](https://sms4smile.com/quotes/author/frank-gohlke/) > [PM Narendra Modi had promised to bring back black money, which he said could put Rs 15 lakh in each of our pockets. If…](https://sms4smile.com/quotes/prashant-bhushan/pm-narendra-modi-had-promised-to-bring-back-black-money-which-he-said/) [Prashant Bhushan](https://sms4smile.com/quotes/author/prashant-bhushan/) > [The short of it is, as an aspiring writer, there is nothing as damaging to your credibility as saying that you don't like to…](https://sms4smile.com/quotes/khaled-hosseini/the-short-of-it-is-as-an-aspiring-writer-there-is-nothing-as-damaging/) [Khaled Hosseini](https://sms4smile.com/quotes/author/khaled-hosseini/) > [When the script for 'The Wrestler' kept coming to me I said, This movie is so good if you put me in the film…](https://sms4smile.com/quotes/hulk-hogan/when-the-script-for-the-wrestler-kept-coming-to-me-i-said-this-movie/) [Hulk Hogan](https://sms4smile.com/quotes/author/hulk-hogan/) > [“Intellectually and compassionately explaining the reason freedom works is required for credibility.”](https://sms4smile.com/quotes/ron-paul/intellectually-and-compassionately-explaining-the-reason-freedom/) [Ron Paul](https://sms4smile.com/quotes/author/ron-paul/) > [ I can assure the conspiracy theorists who have very effectively savaged \[Gerald\] Posner in their books that they're going to have a much, much… ](https://sms4smile.com/quotes/vincent-bugliosi/i-can-assure-the-conspiracy-theorists-who-have-very-effectively/) [Vincent Bugliosi](https://sms4smile.com/quotes/author/vincent-bugliosi/) > [You may be right that people say: You know what, we had Obama. He was inexperienced. The guy had great rhetoric, sounded good, looked…](https://sms4smile.com/quotes/karl-rove/you-may-be-right-that-people-say-you-know-what-we-had-obama-he-was/) [Karl Rove](https://sms4smile.com/quotes/author/karl-rove/) > [Constantly there's a credibility issue; you're judged on how you look. If you look good, people assume you aren't credible. It's a battle you'll…](https://sms4smile.com/quotes/lisa-guerrero/constantly-there-s-a-credibility-issue-you-re-judged-on-how-you-look/) [Lisa Guerrero](https://sms4smile.com/quotes/author/lisa-guerrero/) > [Inconsistency on the part of pastors and the faithful between what they say and what they do, between word and manner of life, is…](https://sms4smile.com/quotes/pope-francis/inconsistency-on-the-part-of-pastors-and-the-faithful-between-what/) [Pope Francis](https://sms4smile.com/quotes/author/pope-francis/) > [Administrators are there because of the fans and the cricketers to run this game, so credibility of a game, or a board, or even…](https://sms4smile.com/quotes/rahul-dravid/administrators-are-there-because-of-the-fans-and-the-cricketers-to/) [Rahul Dravid](https://sms4smile.com/quotes/author/rahul-dravid/) > [I think in fact that unless there is an organic link between the subjective impressions of the author and his objective representation of reality,…](https://sms4smile.com/quotes/andrei-tarkovsky/i-think-in-fact-that-unless-there-is-an-organic-link-between-the/) [Andrei Tarkovsky](https://sms4smile.com/quotes/author/andrei-tarkovsky/) > [PROPHECY, n. The art and practice of selling one's credibility for future delivery.](https://sms4smile.com/quotes/ambrose-bierce/prophecy-n-the-art-and-practice-of-selling-one-s-credibility-for/) [Ambrose Bierce](https://sms4smile.com/quotes/author/ambrose-bierce/) > [Content that's generated out of America, whether it be film or music, has, in my opinion, much greater impact in sustaining our credibility and…](https://sms4smile.com/quotes/lyor-cohen/content-that-s-generated-out-of-america-whether-it-be-film-or-music/) [Lyor Cohen](https://sms4smile.com/quotes/author/lyor-cohen/) > [It's one thing to say, 'I don't like what you said to me and I find it rude and offensive,' but the moment you…](https://sms4smile.com/quotes/salman-rushdie/it-s-one-thing-to-say-i-don-t-like-what-you-said-to-me-and-i-find-it/) [Salman Rushdie](https://sms4smile.com/quotes/author/salman-rushdie/) [Browse all 571 Credibility quotes ](https://sms4smile.com/quotes/about/credibility/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "The truth of a proposition has nothing to do with its credibility. 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