--- title: "Meaning & Key Takeaway of: The thesis that the living creatures have…" description: "\"The thesis that the living creatures have always been composed different species was established in a time where no sufficient observations had been ma..." image: "https://sms4smile.com/quotes/i/e2e/jean-baptiste-lamarck-27412_accurate_the-thesis-that-the-living-creatures-hav_2247494.jpg" --- # The thesis that the living creatures have always been… ![“The thesis that the living creatures have always been composed different species was established in a time where no sufficient observations had been made and when science hardly existed. This thesis is denied every day by those who have made accurate observations, who have long time observed…” quote by Jean-Baptiste Lamarck](https://sms4smile.com/quotes/i/e2e/jean-baptiste-lamarck-27412_accurate_the-thesis-that-the-living-creatures-hav_2247494.jpg) [Download](https://sms4smile.com/quotes/i/e2e/jean-baptiste-lamarck-27412_accurate_the-thesis-that-the-living-creatures-hav_2247494.jpg) [Open image](https://sms4smile.com/quotes/i/e2e/jean-baptiste-lamarck-27412_accurate_the-thesis-that-the-living-creatures-hav_2247494.jpg) > “The thesis that the living creatures have always been composed different species was established in a time where no sufficient observations had been made and when science hardly existed. This thesis is denied every day by those who have made accurate observations, who have long time observed nature and who have had the benefit from studying our musei's large and rich collections.” [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Early naturalists proposed fixed species without data, but modern observation shows continuous variation and common ancestry. **In simple terms:** Old idea of unchanging species disproved by evidence. Key Takeaway Accept that species evolve over time. Themes evolution science observation taxonomy Mood curious analytical Type educational scientific When to use this quote - museum studies - field research - education - conservation policy Key Concepts natural history species concept empiricism Questions to Reflect On - How does new evidence reshape old theories? - What role do museums play in understanding evolution? A Different Perspective Limited fossil record can obscure transitional forms. ★ ★ ★ ★ ★ No ratings yet [Evolution](https://sms4smile.com/quotes/about/evolution/) [Life](https://sms4smile.com/quotes/about/life/) [Living creatures](https://sms4smile.com/quotes/about/living-creatures/) [Nature](https://sms4smile.com/quotes/about/nature/) [Observation](https://sms4smile.com/quotes/about/observation/) [Science](https://sms4smile.com/quotes/about/science/) [Time](https://sms4smile.com/quotes/about/time/) ## Related quotes > [“When it is found (as generally happens) that what is observed is only similar to what he had in mind and not identical, then…](https://sms4smile.com/quotes/david-bohm/when-it-is-found-as-generally-happens-that-what-is-observed-is-only/) [David Bohm](https://sms4smile.com/quotes/author/david-bohm/) > [I don't need to praise anything so justly famous as Frost's observation of and empathy with everything in Nature from a hornet to a…](https://sms4smile.com/quotes/randall-jarrell/i-don-t-need-to-praise-anything-so-justly-famous-as-frost-s/) [Randall Jarrell](https://sms4smile.com/quotes/author/randall-jarrell/) > [This doesn't mean that they commit themselves to the view that this is all there is. Many scientists (including me) think that this is…](https://sms4smile.com/quotes/steven-weinberg/this-doesn-t-mean-that-they-commit-themselves-to-the-view-that-this/) [Steven Weinberg](https://sms4smile.com/quotes/author/steven-weinberg/) > [What I've observed, and I think it's fair to give credit to the psychedelic experience for this, what I've observed is that nature builds…](https://sms4smile.com/quotes/terence-mckenna/what-i-ve-observed-and-i-think-it-s-fair-to-give-credit-to-the/) [Terence McKenna](https://sms4smile.com/quotes/author/terence-mckenna/) > [And it does no harm to repeat, as often as you can, 'Without me the literary industry would not exist: the publishers, the agents,…](https://sms4smile.com/quotes/doris-lessing/and-it-does-no-harm-to-repeat-as-often-as-you-can-without-me-the/) [Doris Lessing](https://sms4smile.com/quotes/author/doris-lessing/) > [I hate the tribal hatred thesis - in Yugoslavia and Rwanda and places like that they kill each other because that's just what people…](https://sms4smile.com/quotes/payam-akhavan/i-hate-the-tribal-hatred-thesis-in-yugoslavia-and-rwanda-and-places/) [Payam Akhavan](https://sms4smile.com/quotes/author/payam-akhavan/) > [I guess I've always been an aspiring novelist. I went to Princeton and wrote a novel for my thesis.](https://sms4smile.com/quotes/howard-gordon/i-guess-i-ve-always-been-an-aspiring-novelist-i-went-to-princeton-and/) [Howard Gordon](https://sms4smile.com/quotes/author/howard-gordon/) > [“My words are my thesis, my actions are my dissertation, and my life is my philosophy.”](https://sms4smile.com/quotes/matshona-dhliwayo/my-words-are-my-thesis-my-actions-are-my-dissertation-and-my-life-is/) [Matshona Dhliwayo](https://sms4smile.com/quotes/author/matshona-dhliwayo/) > [I didn't get the degree because in my last year, for my thesis film I made a feature called Permanent Vacation and they'd given…](https://sms4smile.com/quotes/jim-jarmusch/i-didn-t-get-the-degree-because-in-my-last-year-for-my-thesis-film-i/) [Jim Jarmusch](https://sms4smile.com/quotes/author/jim-jarmusch/) > [I think good art has good concept behind it. Nothing can always articulate fully the way a Ph.D. candidate can articulate their thesis, because…](https://sms4smile.com/quotes/michael-c-mcmillen/i-think-good-art-has-good-concept-behind-it-nothing-can-always/) [Michael C. McMillen](https://sms4smile.com/quotes/author/michael-c-mcmillen/) > [Here we are at the very core of the thesis we wish to defend in the present essay: reverie is under the sign of…](https://sms4smile.com/quotes/gaston-bachelard/here-we-are-at-the-very-core-of-the-thesis-we-wish-to-defend-in-the/) [Gaston Bachelard](https://sms4smile.com/quotes/author/gaston-bachelard/) > [I ended up doing four or five plays in college and being an English major with my thesis in language acquisition, which I was…](https://sms4smile.com/quotes/carrie-coon/i-ended-up-doing-four-or-five-plays-in-college-and-being-an-english/) [Carrie Coon](https://sms4smile.com/quotes/author/carrie-coon/) > [I was deeply interested in conveying what is a deeply felt conviction of my own. This is simply to suggest that human beings must…](https://sms4smile.com/quotes/rod-serling/i-was-deeply-interested-in-conveying-what-is-a-deeply-felt-conviction/) [Rod Serling](https://sms4smile.com/quotes/author/rod-serling/) > [One of the goals of philosophy is wage theoretical battle. That is why we can say that every thesis is always, by its very…](https://sms4smile.com/quotes/louis-althusser/one-of-the-goals-of-philosophy-is-wage-theoretical-battle-that-is-why/) [Louis Althusser](https://sms4smile.com/quotes/author/louis-althusser/) > [As I matured, I've always had the dream of one day either having my own clothing line or owning a fashion magazine. Most of…](https://sms4smile.com/quotes/ashley-purdy/as-i-matured-i-ve-always-had-the-dream-of-one-day-either-having-my/) [Ashley Purdy](https://sms4smile.com/quotes/author/ashley-purdy/) ## More by Jean-Baptiste Lamarck > [One must believe that every living thing whatsoever must change insensibly in its organization and in its form... One must therefore never expect to…](https://sms4smile.com/quotes/jean-baptiste-lamarck/one-must-believe-that-every-living-thing-whatsoever-must-change/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [All known living bodies are sharply divided into two special kingdoms, based upon the essential differences which distinguish animals from plants, and in spite…](https://sms4smile.com/quotes/jean-baptiste-lamarck/all-known-living-bodies-are-sharply-divided-into-two-special-kingdoms/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [After having produced aquatic animals of all ranks and having caused extensive variations in them by the different environments provided by the waters, nature…](https://sms4smile.com/quotes/jean-baptiste-lamarck/after-having-produced-aquatic-animals-of-all-ranks-and-having-caused/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [What nature does in the course of long periods we do every day when we suddenly change the environment in which some species of…](https://sms4smile.com/quotes/jean-baptiste-lamarck/what-nature-does-in-the-course-of-long-periods-we-do-every-day-when/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [Habits form a second nature.](https://sms4smile.com/quotes/jean-baptiste-lamarck/habits-form-a-second-nature/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [In every animal which has not passed the limit of its development, a more frequent and continuous use of any organ gradually strengthens, develops…](https://sms4smile.com/quotes/jean-baptiste-lamarck/in-every-animal-which-has-not-passed-the-limit-of-its-development-a/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [The form follows the function.](https://sms4smile.com/quotes/jean-baptiste-lamarck/the-form-follows-the-function/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [A sound Physics of the Earth should include all the primary considerations of the earth's atmosphere, of the characteristics and continual changes of the…](https://sms4smile.com/quotes/jean-baptiste-lamarck/a-sound-physics-of-the-earth-should-include-all-the-primary/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [On our planet, all objects are subject to continual and inevitable changes which arise from the essential order of things. These changes take place…](https://sms4smile.com/quotes/jean-baptiste-lamarck/on-our-planet-all-objects-are-subject-to-continual-and-inevitable/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [All knowledge that is not the real product of observation, or of consequences deduced from observation, is entirely groundless and illusory.](https://sms4smile.com/quotes/jean-baptiste-lamarck/all-knowledge-that-is-not-the-real-product-of-observation-or-of/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [“First Law In every animal which has not passed the limit of its development, a more frequent and continuous use of any organ gradually…](https://sms4smile.com/quotes/jean-baptiste-lamarck/first-law-in-every-animal-which-has-not-passed-the-limit-of-its/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [All the acquisitions or losses wrought by nature on individuals, through the influence of the environment in which their race has long been placed,…](https://sms4smile.com/quotes/jean-baptiste-lamarck/all-the-acquisitions-or-losses-wrought-by-nature-on-individuals/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [Now this circumscribed power, which we have scarcely examined, scarcely studied, this power to whose actions we nearly always attribute an intention and a…](https://sms4smile.com/quotes/jean-baptiste-lamarck/now-this-circumscribed-power-which-we-have-scarcely-examined-scarcely/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [It is not always the magnitude of the differences observed between species that must determine specific distinctions, but the constant preservation of those differences…](https://sms4smile.com/quotes/jean-baptiste-lamarck/it-is-not-always-the-magnitude-of-the-differences-observed-between/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) > [However, if we consider that all the characteristics which have been cited are only differences in degree of structure, may we not suppose that…](https://sms4smile.com/quotes/jean-baptiste-lamarck/however-if-we-consider-that-all-the-characteristics-which-have-been/) [Jean-Baptiste Lamarck](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) [Explore all 20 Jean-Baptiste Lamarck quotes ](https://sms4smile.com/quotes/author/jean-baptiste-lamarck/) ## More Accurate quotes > [The surprise of an army is now next to an impossibility. ... Prearranged surprises are rare and difficult because in order to plan one…](https://sms4smile.com/quotes/antoine-henri-jomini/the-surprise-of-an-army-is-now-next-to-an-impossibility-prearranged/) [Antoine-Henri Jomini](https://sms4smile.com/quotes/author/antoine-henri-jomini/) > [In essence, I see the value of journalism as resting in a twofold mission: informing the public of accurate and vital information, and its…](https://sms4smile.com/quotes/glenn-greenwald/in-essence-i-see-the-value-of-journalism-as-resting-in-a-twofold/) [Glenn Greenwald](https://sms4smile.com/quotes/author/glenn-greenwald/) > [I never think of things rationally or intellectually. I swear, every single decision I make is just instinct and my instincts tend to be…](https://sms4smile.com/quotes/neill-blomkamp/i-never-think-of-things-rationally-or-intellectually-i-swear-every/) [Neill Blomkamp](https://sms4smile.com/quotes/author/neill-blomkamp/) > [No accurate thinker will judge another person by that which the other person's enemies say about him.](https://sms4smile.com/quotes/napoleon-hill/no-accurate-thinker-will-judge-another-person-by-that-which-the-other/) [Napoleon Hill](https://sms4smile.com/quotes/author/napoleon-hill/) > [The Bell curve is a fact of life. The blacks on average score 85 per cent on IQ and it is accurate, nothing to…](https://sms4smile.com/quotes/lee-kuan-yew/the-bell-curve-is-a-fact-of-life-the-blacks-on-average-score-85-per/) [Lee Kuan Yew](https://sms4smile.com/quotes/author/lee-kuan-yew/) > [A film is a chain of very difficult decisions, and I think one of them is to choose an accurate cast.](https://sms4smile.com/quotes/javier-camara/a-film-is-a-chain-of-very-difficult-decisions-and-i-think-one-of-them/) [Javier Camara](https://sms4smile.com/quotes/author/javier-camara/) > [“Madoc makes a snorting sound, then turns to me. 'I am sure that Wren here wouldn't mind taking Lady Nore's castle and lands for…](https://sms4smile.com/quotes/holly-black/madoc-makes-a-snorting-sound-then-turns-to-me-i-am-sure-that-wren/) [Holly Black](https://sms4smile.com/quotes/author/holly-black/) > [ He \[Groucho's father\] had absolutely no training, and if you had ever seen one of his suits, you'd realize what an accurate statement that… ](https://sms4smile.com/quotes/groucho-marx/he-groucho-s-father-had-absolutely-no-training-and-if-you-had-ever/) [Groucho Marx](https://sms4smile.com/quotes/author/groucho-marx/) > [... the attempt to render visual intricacy makes words feel unwieldy, like sacks of meaning that must be lugged into place, dragged here and…](https://sms4smile.com/quotes/mark-doty/the-attempt-to-render-visual-intricacy-makes-words-feel-unwieldy-like/) [Mark Doty](https://sms4smile.com/quotes/author/mark-doty/) > [Not forgiving prolongs hurt and anger and leads to smoldering resentment, which will make us miserable until it kills us. Resentment destroys the perception…](https://sms4smile.com/quotes/richard-walters/not-forgiving-prolongs-hurt-and-anger-and-leads-to-smoldering/) Richard Walters > [Selfish hedonism is not a pejorative. It is a description - an exactly accurate description of what is involved in homosexual relations.](https://sms4smile.com/quotes/alan-keyes/selfish-hedonism-is-not-a-pejorative-it-is-a-description-an-exactly/) [Alan Keyes](https://sms4smile.com/quotes/author/alan-keyes/) > [The western mantra is that Israel seeks negotiations without preconditions, while the Palestinians refuse. The opposite is more accurate.](https://sms4smile.com/quotes/noam-chomsky/the-western-mantra-is-that-israel-seeks-negotiations-without/) [Noam Chomsky](https://sms4smile.com/quotes/author/noam-chomsky/) > [Love women! I hate feminism. "Hate" may be an accurate word, but too strong to use. I strongly oppose feminism because it's nothing but…](https://sms4smile.com/quotes/rush-limbaugh/love-women-i-hate-feminism-hate-may-be-an-accurate-word-but-too/) [Rush Limbaugh](https://sms4smile.com/quotes/author/rush-limbaugh/) > [Most of my characters are romantic rather than sexual. I think that's an essential difference in my pictures. I think they are more accurate…](https://sms4smile.com/quotes/john-hughes/most-of-my-characters-are-romantic-rather-than-sexual-i-think-that-s/) [John Hughes](https://sms4smile.com/quotes/author/john-hughes/) > [While the Environmental Genome Project does not seek to assign allele frequencies, we are aware of the importance of accurate allele frequency estimates for…](https://sms4smile.com/quotes/samuel-wilson/while-the-environmental-genome-project-does-not-seek-to-assign-allele/) [Samuel Wilson](https://sms4smile.com/quotes/author/samuel-wilson/) Browse all 847 Accurate quotes ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "The thesis that the living creatures have always been composed different species was established in a time where no sufficient observations had been made and when science hardly existed. This thesis is denied every day by those who have made accurate observations, who have long time observed nature and who have had the benefit from studying our musei's large and rich collections.", "creator": { "@type": "Person", "name": "Jean-Baptiste Lamarck" }, "isPartOf": { "@id": "https://sms4smile.com/quotes/#website" }, "url": "https://sms4smile.com/quotes/jean-baptiste-lamarck/the-thesis-that-the-living-creatures-have-always-been-composed/", "about": { "@type": "Thing", "name": "Accurate" }, "@id": "https://sms4smile.com/quotes/jean-baptiste-lamarck/the-thesis-that-the-living-creatures-have-always-been-composed/#quotation", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/e2e/jean-baptiste-lamarck-27412_accurate_the-thesis-that-the-living-creatures-hav_2247494.jpg", "contentUrl": "https://sms4smile.com/quotes/i/e2e/jean-baptiste-lamarck-27412_accurate_the-thesis-that-the-living-creatures-hav_2247494.jpg", "url": "https://sms4smile.com/quotes/i/e2e/jean-baptiste-lamarck-27412_accurate_the-thesis-that-the-living-creatures-hav_2247494.jpg", "width": 1080, "height": 1080, "caption": "“The thesis that the living creatures have always been composed different species was established in a time…” — Jean-Baptiste Lamarck", "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": "Jean-Baptiste Lamarck", "item": "https://sms4smile.com/quotes/author/jean-baptiste-lamarck/" }, { "@type": "ListItem", "position": 4, "name": "The thesis that the living creatures...", "item": "https://sms4smile.com/quotes/jean-baptiste-lamarck/the-thesis-that-the-living-creatures-have-always-been-composed/" } ], "@id": "https://sms4smile.com/quotes/jean-baptiste-lamarck/the-thesis-that-the-living-creatures-have-always-been-composed/#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 } } ] } ```