--- title: "Meaning & Key Takeaway of: Nevertheless the opinion of experts, when…" description: "\"“Nevertheless the opinion of experts, when it is unanimous, must be accepted by non-experts as more likely to be right than the opposite opinion. The s..." image: "https://sms4smile.com/quotes/i/a55/bertrand-russell-69_doubt_nevertheless-the-opinion-of-experts-when_2352366.jpg" --- # Nevertheless the opinion of experts, when it is unanimous… ![“Nevertheless the opinion of experts, when it is unanimous, must be accepted by non-experts as more likely to be right than the opposite opinion. The scepticism that I advocate amounts only to this: (1) that when the experts are agreed, the opposite opinion cannot be held to be certain; (2) that…” quote by Bertrand Russell](https://sms4smile.com/quotes/i/a55/bertrand-russell-69_doubt_nevertheless-the-opinion-of-experts-when_2352366.jpg) [Download](https://sms4smile.com/quotes/i/a55/bertrand-russell-69_doubt_nevertheless-the-opinion-of-experts-when_2352366.jpg) [Open image](https://sms4smile.com/quotes/i/a55/bertrand-russell-69_doubt_nevertheless-the-opinion-of-experts-when_2352366.jpg) > ““Nevertheless the opinion of experts, when it is unanimous, must be accepted by non-experts as more likely to be right than the opposite opinion. The scepticism that I advocate amounts only to this: (1) that when the experts are agreed, the opposite opinion cannot be held to be certain; (2) that when they are agreed, no opinion can be regarded as certain by a non-expert; and (3) that when they all hold that no sufficient grounds for a positive opinion exist, the ordinary man would do well to suspend his judgment.”” [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Unanimous expert consensus should be trusted more than opposing views, yet absolute certainty is impossible. **In simple terms:** Experts agree, but certainty is still uncertain. Key Takeaway Respect expertise but remain open to doubt. Themes knowledge expertise uncertainty Mood thoughtful cautious Type philosophical inspirational When to use this quote - medical advice - scientific research - public policy Key Concepts epistemology critical thinking consensus Questions to Reflect On - When should we question expert consensus? - How do we balance trust and skepticism? A Different Perspective Overreliance on consensus can suppress minority insights. ★ ★ ★ ★ ★ No ratings yet [Doubt](https://sms4smile.com/quotes/about/doubt/) [Experts Unanimous](https://sms4smile.com/quotes/about/experts-unanimous-5730974/) [Opinion Regarded](https://sms4smile.com/quotes/about/opinion-regarded-5730975/) [Opinion Scepticism](https://sms4smile.com/quotes/about/opinion-scepticism-5730972/) [Ordinary man](https://sms4smile.com/quotes/about/ordinary-man/) [Scepticism](https://sms4smile.com/quotes/about/scepticism/) [Scepticism Advocate](https://sms4smile.com/quotes/about/scepticism-advocate-5730973/) [Te Amo](https://sms4smile.com/quotes/about/te-amo/) ## Related quotes > [Philosophy arises from an unusually obstinate attempt to arrive at real knowledge. What passes for knowledge in ordinary life suffers from three defects: it…](https://sms4smile.com/quotes/bertrand-russell/philosophy-arises-from-an-unusually-obstinate-attempt-to-arrive-at/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [We must be sceptical even of our scepticism.](https://sms4smile.com/quotes/bertrand-russell/we-must-be-sceptical-even-of-our-scepticism/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [“The causes of any widespread scepticism are likely to be sociological rather than intellectual. The main cause is always comfort without power. The holders…](https://sms4smile.com/quotes/bertrand-russell/the-causes-of-any-widespread-scepticism-are-likely-to-be-sociological/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [As a philosopher, if I were speaking to a purely philosophic audience I should say that I ought to describe myself as an Agnostic,…](https://sms4smile.com/quotes/bertrand-russell/as-a-philosopher-if-i-were-speaking-to-a-purely-philosophic-audience/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [“Here there comes a practical question which has often troubled me. Whenever I go into a foreign country or a prison or any similar…](https://sms4smile.com/quotes/bertrand-russell/here-there-comes-a-practical-question-which-has-often-troubled-me/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [Sometimes I think I am going mad. I live for days in the mystery and tears of things so that the commonest object, the…](https://sms4smile.com/quotes/w-n-p-barbellion/sometimes-i-think-i-am-going-mad-i-live-for-days-in-the-mystery-and/) [W.N.P. Barbellion](https://sms4smile.com/quotes/author/w-n-p-barbellion/) > [Scepticism, ironically, draws its life's blood from claims to have a good deal of knowledge. For example, your friends claim to know, 'Since every…](https://sms4smile.com/quotes/william-lane-craig/scepticism-ironically-draws-its-life-s-blood-from-claims-to-have-a/) [William Lane Craig](https://sms4smile.com/quotes/author/william-lane-craig/) > [“My main reason for scepticism about the Huxley/Sagan theory is that the human brain is demonstrably eager to see faces in random patterns, as…](https://sms4smile.com/quotes/richard-dawkins/my-main-reason-for-scepticism-about-the-huxley-sagan-theory-is-that/) [Richard Dawkins](https://sms4smile.com/quotes/author/richard-dawkins/) > [On New Year's Eve he ould make a resolution to recover some his previous scepticism, but until then he would do as the Romans…](https://sms4smile.com/quotes/nick-hornby/on-new-year-s-eve-he-ould-make-a-resolution-to-recover-some-his/) [Nick Hornby](https://sms4smile.com/quotes/author/nick-hornby/) > [The want of faith, as well as faith itself, is best shewn by works. If a sceptic avoid the fire as much as those…](https://sms4smile.com/quotes/thomas-reid/the-want-of-faith-as-well-as-faith-itself-is-best-shewn-by-works-if-a/) [Thomas Reid](https://sms4smile.com/quotes/author/thomas-reid/) > [Never trust anyone who has no doubts. And I'm not talking about scepticism either: scepticism can be a healthy thing. You can have an…](https://sms4smile.com/quotes/billy-bragg/never-trust-anyone-who-has-no-doubts-and-i-m-not-talking-about/) [Billy Bragg](https://sms4smile.com/quotes/author/billy-bragg/) > [It is true that 'I seem to see a table' does not entail 'I see a table'; but 'I seem to feel a pain'…](https://sms4smile.com/quotes/galen-strawson/it-is-true-that-i-seem-to-see-a-table-does-not-entail-i-see-a-table/) [Galen Strawson](https://sms4smile.com/quotes/author/galen-strawson/) > [And indeed nothing but the most determined scepticism, along with a great degree of indolence, can justify this aversion to metaphysics. For if truth…](https://sms4smile.com/quotes/david-hume/and-indeed-nothing-but-the-most-determined-scepticism-along-with-a/) [David Hume](https://sms4smile.com/quotes/author/david-hume/) > [“Scepticism is as much the result of knowledge, as knowledge is of scepticism. To be content with what we at present know, is, for…](https://sms4smile.com/quotes/homer/scepticism-is-as-much-the-result-of-knowledge-as-knowledge-is-of/) [Homer](https://sms4smile.com/quotes/author/homer/) > [Any trend that generates a lot of excitement encounters scepticism due to the bad experiences - internet and housing crashes - of the past…](https://sms4smile.com/quotes/cathie-wood/any-trend-that-generates-a-lot-of-excitement-encounters-scepticism/) [Cathie Wood](https://sms4smile.com/quotes/author/cathie-wood/) ## More by Bertrand Russell > [ If the State does not acquire supremacy over \[vast private\] enterprises, it becomes their puppet, and they become the real State. ](https://sms4smile.com/quotes/bertrand-russell/if-the-state-does-not-acquire-supremacy-over-vast-private-enterprises/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [That the world is in a bad shape is undeniable, but there is not the faintest reason in history to suppose that Christianity offers…](https://sms4smile.com/quotes/bertrand-russell/that-the-world-is-in-a-bad-shape-is-undeniable-but-there-is-not-the/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [All movements go too far.](https://sms4smile.com/quotes/bertrand-russell/all-movements-go-too-far/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [Those who advocate common usage in philosophy sometimes speak in a manner that suggests the mystique of the 'common man.'](https://sms4smile.com/quotes/bertrand-russell/those-who-advocate-common-usage-in-philosophy-sometimes-speak-in-a/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [“Such, in outline, but even more purposeless, more void of meaning, is the world which Science presents for our belief. Amid such a world,…](https://sms4smile.com/quotes/bertrand-russell/such-in-outline-but-even-more-purposeless-more-void-of-meaning-is-the/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [Dr. Arnold . . . the admired reformer of public schools, came across some cranks who thought it a mistake to flog boys. Anyone…](https://sms4smile.com/quotes/bertrand-russell/dr-arnold-the-admired-reformer-of-public-schools-came-across-some/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [Of all evils of war the greatest is the purely spiritual evil: the hatred, the injustice, the repudiation of truth, the artificial conflict.](https://sms4smile.com/quotes/bertrand-russell/of-all-evils-of-war-the-greatest-is-the-purely-spiritual-evil-the/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [Aristotle maintained that women have fewer teeth than men; although he was twice married, it never occurred to him to verify this statement by…](https://sms4smile.com/quotes/bertrand-russell/aristotle-maintained-that-women-have-fewer-teeth-than-men-although-he/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [If an opinion contrary to your own makes you angry, that is a sign that you are subconsciously aware of having no good reason…](https://sms4smile.com/quotes/bertrand-russell/if-an-opinion-contrary-to-your-own-makes-you-angry-that-is-a-sign/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [I cannot escape from the conclusion that the great ages of progress have depended upon a small number of individuals of transcendent ability.](https://sms4smile.com/quotes/bertrand-russell/i-cannot-escape-from-the-conclusion-that-the-great-ages-of-progress/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [I think it would be just to say the most essential characteristic of mind is memory, using this word in its broadest sense to…](https://sms4smile.com/quotes/bertrand-russell/i-think-it-would-be-just-to-say-the-most-essential-characteristic-of/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [The newspapers at one time said that I was dead but after carefully examining the evidence I came to the conclusion that this statement…](https://sms4smile.com/quotes/bertrand-russell/the-newspapers-at-one-time-said-that-i-was-dead-but-after-carefully/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [“Persecution is used in theology, not in arithmetic, because in arithmetic there is knowledge, but in theology there is only opinion.”](https://sms4smile.com/quotes/bertrand-russell/persecution-is-used-in-theology-not-in-arithmetic-because-in/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [“Many orthodox people speak as though it were the business of sceptics to disprove received dogmas rather than of dogmatists to prove them. This…](https://sms4smile.com/quotes/bertrand-russell/many-orthodox-people-speak-as-though-it-were-the-business-of-sceptics/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) > [There is no greater reason for children to honour parents than for parents to honour children except, that while the children are young, the…](https://sms4smile.com/quotes/bertrand-russell/there-is-no-greater-reason-for-children-to-honour-parents-than-for/) [Bertrand Russell](https://sms4smile.com/quotes/author/bertrand-russell/) [Explore all 1,620 Bertrand Russell quotes ](https://sms4smile.com/quotes/author/bertrand-russell/) ## More Doubt quotes > [I put myself in the student's place and remember the frustrations, doubts, determination, and desires I felt when I was going through the initial…](https://sms4smile.com/quotes/ted-martinez/i-put-myself-in-the-student-s-place-and-remember-the-frustrations/) [Ted Martinez](https://sms4smile.com/quotes/author/ted-martinez/) > [Because of the womb being a central phenomenon in the feminine body, the whole psychology of woman differs: she is non-aggressive, non-inquiring, non-questioning, non-doubting,…](https://sms4smile.com/quotes/rajneesh/because-of-the-womb-being-a-central-phenomenon-in-the-feminine-body/) [Rajneesh](https://sms4smile.com/quotes/author/rajneesh/) > [I don't doubt that straight white men have identity issues and identity complexes and struggle with defining themselves.](https://sms4smile.com/quotes/justin-simien/i-don-t-doubt-that-straight-white-men-have-identity-issues-and/) [Justin Simien](https://sms4smile.com/quotes/author/justin-simien/) > [“Where there is doubt (shanka), there is misery. The moment one begins to doubt the knowledge that, 'I am Chandubhai,' misery arises. Once one…](https://sms4smile.com/quotes/dada-bhagwan/where-there-is-doubt-shanka-there-is-misery-the-moment-one-begins-to/) [Dada Bhagwan](https://sms4smile.com/quotes/author/dada-bhagwan/) > [We know accurately only when we know little, with knowledge doubt increases.](https://sms4smile.com/quotes/johann-wolfgang-von-goethe/we-know-accurately-only-when-we-know-little-with-knowledge-doubt/) [Johann Wolfgang von Goethe](https://sms4smile.com/quotes/author/johann-wolfgang-von-goethe/) > [There is no doubt in my mind and I know in my time, there will be a Canadian basketball player playing for Toronto Raptors, 100%](https://sms4smile.com/quotes/masai-ujiri/there-is-no-doubt-in-my-mind-and-i-know-in-my-time-there-will-be-a/) [Masai Ujiri](https://sms4smile.com/quotes/author/masai-ujiri/) > [How could you feel worthless when God has honoured you by creating you and choosing you to be with Him, in this life and…](https://sms4smile.com/quotes/yasmin-mogahed/how-could-you-feel-worthless-when-god-has-honoured-you-by-creating/) [Yasmin Mogahed](https://sms4smile.com/quotes/author/yasmin-mogahed/) > [“Let no one hope to find in contemplation an escape from conflict, from anguish or from doubt. On the contrary, the deep, inexpressible certitude…](https://sms4smile.com/quotes/thomas-merton/let-no-one-hope-to-find-in-contemplation-an-escape-from-conflict-from/) [Thomas Merton](https://sms4smile.com/quotes/author/thomas-merton/) > [“Two powerful, little words I've learned to use when facing challenges, fears, and doubts— so what? ”](https://sms4smile.com/quotes/richelle-e-goodrich/two-powerful-little-words-i-ve-learned-to-use-when-facing-challenges/) [Richelle E. Goodrich](https://sms4smile.com/quotes/author/richelle-e-goodrich/) > [For diplomacy to be effective, words must be credible - and no one can now doubt the word of America.](https://sms4smile.com/quotes/george-w-bush/for-diplomacy-to-be-effective-words-must-be-credible-and-no-one-can/) [George W. Bush](https://sms4smile.com/quotes/author/george-w-bush/) > [Vision motivates, sustains and dispels doubt.](https://sms4smile.com/quotes/thomas-young/vision-motivates-sustains-and-dispels-doubt/) [Thomas Young](https://sms4smile.com/quotes/author/thomas-young/) > [One may not doubt that, somehow Good Shall come of Water and of Mud; And sure, the reverent eye must see A purpose in…](https://sms4smile.com/quotes/rupert-brooke/one-may-not-doubt-that-somehow-good-shall-come-of-water-and-of-mud/) [Rupert Brooke](https://sms4smile.com/quotes/author/rupert-brooke/) > [Let smiles overshadow sadness. Let faith make you believe. Let confidence wash away doubts. Let love complete your life.](https://sms4smile.com/quotes/ritu-ghatourey/let-smiles-overshadow-sadness-let-faith-make-you-believe-let/) [Ritu Ghatourey](https://sms4smile.com/quotes/author/ritu-ghatourey/) > [When in doubt, suggest that a subcommittee be appointed.](https://sms4smile.com/quotes/harry-chapman/when-in-doubt-suggest-that-a-subcommittee-be-appointed/) [Harry Chapman](https://sms4smile.com/quotes/author/harry-chapman/) > [“Those who contemplate never escape the doubt.”](https://sms4smile.com/quotes/henning-mankell/those-who-contemplate-never-escape-the-doubt/) [Henning Mankell](https://sms4smile.com/quotes/author/henning-mankell/) [Browse all 9,582 Doubt quotes ](https://sms4smile.com/quotes/about/doubt/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "“Nevertheless the opinion of experts, when it is unanimous, must be accepted by non-experts as more likely to be right than the opposite opinion. The scepticism that I advocate amounts only to this: (1) that when the experts are agreed, the opposite opinion cannot be held to be certain; (2) that when they are agreed, no opinion can be regarded as certain by a non-expert; and (3) that when they all hold that no sufficient grounds for a positive opinion exist, the ordinary man would do well to suspend his judgment.”", "creator": { "@type": "Person", "name": "Bertrand Russell" }, "isPartOf": { "@id": "https://sms4smile.com/quotes/#website" }, "url": "https://sms4smile.com/quotes/bertrand-russell/nevertheless-the-opinion-of-experts-when-it-is-unanimous-must-be/", "about": { "@type": "Thing", "name": "Doubt" }, "@id": "https://sms4smile.com/quotes/bertrand-russell/nevertheless-the-opinion-of-experts-when-it-is-unanimous-must-be/#quotation", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/a55/bertrand-russell-69_doubt_nevertheless-the-opinion-of-experts-when_2352366.jpg", "contentUrl": "https://sms4smile.com/quotes/i/a55/bertrand-russell-69_doubt_nevertheless-the-opinion-of-experts-when_2352366.jpg", "url": "https://sms4smile.com/quotes/i/a55/bertrand-russell-69_doubt_nevertheless-the-opinion-of-experts-when_2352366.jpg", "width": 1080, "height": 1080, "caption": "“Nevertheless the opinion of experts, when it is unanimous, must be accepted by non-experts as more likely to…” — Bertrand Russell", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } }, { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://sms4smile.com/" }, { "@type": "ListItem", "position": 2, "name": "Quotes", "item": "https://sms4smile.com/quotes/" }, { "@type": "ListItem", "position": 3, "name": "Bertrand Russell", "item": "https://sms4smile.com/quotes/author/bertrand-russell/" }, { "@type": "ListItem", "position": 4, "name": "“Nevertheless the opinion of experts, when...", "item": "https://sms4smile.com/quotes/bertrand-russell/nevertheless-the-opinion-of-experts-when-it-is-unanimous-must-be/" } ], "@id": "https://sms4smile.com/quotes/bertrand-russell/nevertheless-the-opinion-of-experts-when-it-is-unanimous-must-be/#breadcrumb" }, { "@type": "WebSite", "@id": "https://sms4smile.com/quotes/#website", "name": "SMS4Smile Quotes", "url": "https://sms4smile.com/quotes/", "publisher": { "@id": "https://sms4smile.com/quotes/#organization" } }, { "@type": "Organization", "@id": "https://sms4smile.com/quotes/#organization", "name": "SMS4Smile Quotes", "url": "https://sms4smile.com/quotes/", "logo": { "@type": "ImageObject", "url": "https://sms4smile.com/quotes/wp-content/themes/sq/assets/icons/icon-512.png", "width": 512, "height": 512 } } ] } ```