--- title: "Meaning & Key Takeaway of: In every animal which has not passed the…" description: "\"In every animal which has not passed the limit of its development, a more frequent and continuous use of any organ gradually strengthens, develops and ..." image: "https://sms4smile.com/quotes/i/d76/jean-baptiste-lamarck-27412_animal_in-every-animal-which-has-not-passed-the_546837.jpg" --- # In every animal which has not passed the limit of its… ![“In every animal which has not passed the limit of its development, a more frequent and continuous use of any organ gradually strengthens, develops and enlarges that organ, and gives it a power proportional to the length of time it has been so used; while the permanent disuse of any organ…” quote by Jean-Baptiste Lamarck](https://sms4smile.com/quotes/i/d76/jean-baptiste-lamarck-27412_animal_in-every-animal-which-has-not-passed-the_546837.jpg) [Download](https://sms4smile.com/quotes/i/d76/jean-baptiste-lamarck-27412_animal_in-every-animal-which-has-not-passed-the_546837.jpg) [Open image](https://sms4smile.com/quotes/i/d76/jean-baptiste-lamarck-27412_animal_in-every-animal-which-has-not-passed-the_546837.jpg) > “In every animal which has not passed the limit of its development, a more frequent and continuous use of any organ gradually strengthens, develops and enlarges that organ, and gives it a power proportional to the length of time it has been so used; while the permanent disuse of any organ imperceptibly weakens and deteriorates it, and progressively diminishes its functional capacity, until it finally disappears.” [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. Regular use of a body part makes it stronger and larger, while neglect causes it to waste away over time. **In simple terms:** Use strengthens; neglect weakens. Key Takeaway Practice to build ability; avoid neglect. Themes growth maintenance use and disuse biology evolution Mood motivational reflective Type educational inspirational When to use this quote - learning a new language - training athletes - rehabilitation after injury - maintaining mental health Key Concepts muscle adaptation neuroplasticity skill acquisition Questions to Reflect On - What habits have you neglected that could be revived? - How does consistent practice shape your abilities? A Different Perspective Neglect may not fully reverse gains; some loss can be permanent. ★ ★ ★ ★ ★ No ratings yet [Animal](https://sms4smile.com/quotes/about/animal/) [Evolution](https://sms4smile.com/quotes/about/evolution/) [Giving](https://sms4smile.com/quotes/about/giving/) [Growth](https://sms4smile.com/quotes/about/growth/) [Limits](https://sms4smile.com/quotes/about/limits/) [Organs](https://sms4smile.com/quotes/about/organs/) [Science](https://sms4smile.com/quotes/about/science/) [Time](https://sms4smile.com/quotes/about/time/) ## Related quotes > [“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/) > [Conversation augments pleasure and diminishes pain by our having shares in either; for silent woes are greatest, as silent satisfaction leas; since sometimes our…](https://sms4smile.com/quotes/william-wycherley/conversation-augments-pleasure-and-diminishes-pain-by-our-having/) [William Wycherley](https://sms4smile.com/quotes/author/william-wycherley/) > [You snipe so steady, you snub so snide, so rip and ready to diminish and deride.](https://sms4smile.com/quotes/joni-mitchell/you-snipe-so-steady-you-snub-so-snide-so-rip-and-ready-to-diminish/) [Joni Mitchell](https://sms4smile.com/quotes/author/joni-mitchell/) > [For you deal here above all with human life, and human life is sacred; no one may dare make an attempt upon it. 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Francione](https://sms4smile.com/quotes/author/gary-l-francione/) [Browse all 13,456 Animal quotes ](https://sms4smile.com/quotes/about/animal/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "In every animal which has not passed the limit of its development, a more frequent and continuous use of any organ gradually strengthens, develops and enlarges that organ, and gives it a power proportional to the length of time it has been so used; while the permanent disuse of any organ imperceptibly weakens and deteriorates it, and progressively diminishes its functional capacity, until it finally disappears.", "creator": { "@type": "Person", "name": "Jean-Baptiste Lamarck" }, "isPartOf": { "@id": "https://sms4smile.com/quotes/#website" }, "url": "https://sms4smile.com/quotes/jean-baptiste-lamarck/in-every-animal-which-has-not-passed-the-limit-of-its-development-a/", "about": { "@type": "Thing", "name": "Animal" }, "@id": "https://sms4smile.com/quotes/jean-baptiste-lamarck/in-every-animal-which-has-not-passed-the-limit-of-its-development-a/#quotation", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/d76/jean-baptiste-lamarck-27412_animal_in-every-animal-which-has-not-passed-the_546837.jpg", "contentUrl": "https://sms4smile.com/quotes/i/d76/jean-baptiste-lamarck-27412_animal_in-every-animal-which-has-not-passed-the_546837.jpg", "url": "https://sms4smile.com/quotes/i/d76/jean-baptiste-lamarck-27412_animal_in-every-animal-which-has-not-passed-the_546837.jpg", "width": 1080, "height": 1080, "caption": "“In every animal which has not passed the limit of its development, a more frequent and continuous use of any…” — 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": "In every animal which has not...", "item": "https://sms4smile.com/quotes/jean-baptiste-lamarck/in-every-animal-which-has-not-passed-the-limit-of-its-development-a/" } ], "@id": "https://sms4smile.com/quotes/jean-baptiste-lamarck/in-every-animal-which-has-not-passed-the-limit-of-its-development-a/#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 } } ] } ```