---
title: "103 Evolution Quotes By Charles Darwin"
description: "Evolution quotes by Charles Darwin discuss natural selection, gradual change, and parallels between species and language."
image: "https://sms4smile.com/quotes/i/058/charles-darwin-507_adaptable_it-s-not-the-strongest-but-the-most-adap_590252.jpg"
---

> [It's not the strongest, but the most adaptable that survive.](https://sms4smile.com/quotes/charles-darwin/it-s-not-the-strongest-but-the-most-adaptable-that-survive/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/058/charles-darwin-507_adaptable_it-s-not-the-strongest-but-the-most-adap_590252.jpg)

> [One hand has surely worked throughout the universe](https://sms4smile.com/quotes/charles-darwin/one-hand-has-surely-worked-throughout-the-universe/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/a4c/charles-darwin-507_evolution_one-hand-has-surely-worked-throughout-th_2039535.jpg)

> [In my simplicity, I remember wondering why every gentleman did not become an ornithologist.](https://sms4smile.com/quotes/charles-darwin/in-my-simplicity-i-remember-wondering-why-every-gentleman-did-not/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/8c3/charles-darwin-507_evolution_in-my-simplicity-i-remember-wondering-wh_2434788.jpg)

> [Endless forms most beautiful and most wonderful have been, and are being evolved](https://sms4smile.com/quotes/charles-darwin/endless-forms-most-beautiful-and-most-wonderful-have-been-and-are/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/cb4/charles-darwin-507_beautiful_endless-forms-most-beautiful-and-most-wo_2880241.jpg)

> [We will now discuss in a little more detail the Struggle for Existence.](https://sms4smile.com/quotes/charles-darwin/we-will-now-discuss-in-a-little-more-detail-the-struggle-for-existence/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/37f/charles-darwin-507_adversity_we-will-now-discuss-in-a-little-more-det_1721456.jpg)

> [Some call it evolution, And others call it God.](https://sms4smile.com/quotes/charles-darwin/some-call-it-evolution-and-others-call-it-god/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/6d2/charles-darwin-507_biology_some-call-it-evolution-and-others-call-i_1219403.jpg)

> [Light will be thrown on the origin of man and his history.](https://sms4smile.com/quotes/charles-darwin/light-will-be-thrown-on-the-origin-of-man-and-his-history/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/99e/charles-darwin-507_evolution_light-will-be-thrown-on-the-origin-of-ma_757379.jpg)

> [Sympathy will have been increased through natural selection](https://sms4smile.com/quotes/charles-darwin/sympathy-will-have-been-increased-through-natural-selection/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/381/charles-darwin-507_evolution_sympathy-will-have-been-increased-throug_302832.jpg)

> [I think it can be shown that there is such an unerring power at work in Natural Selection, which selects exclusively for…](https://sms4smile.com/quotes/charles-darwin/i-think-it-can-be-shown-that-there-is-such-an-unerring-power-at-work/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/3cc/charles-darwin-507_evolution_i-think-it-can-be-shown-that-there-is-su_456263.jpg)

> [“I am convinced that natural selection has been the main but not exclusive means of modification.”](https://sms4smile.com/quotes/charles-darwin/i-am-convinced-that-natural-selection-has-been-the-main-but-not/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/6ec/charles-darwin-507_convinced_i-am-convinced-that-natural-selection-ha_3088224.jpg)

> [Why, if species have descended from other species by insensibly fine gradations, do we not everywhere see innumerable transitional forms.](https://sms4smile.com/quotes/charles-darwin/why-if-species-have-descended-from-other-species-by-insensibly-fine/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/b8f/charles-darwin-507_fine_why-if-species-have-descended-from-other_1191713.jpg)

> [We thus learn that man is descended from a hairy quadruped, furnished with a tail and pointed ears, probably arboreal in its…](https://sms4smile.com/quotes/charles-darwin/we-thus-learn-that-man-is-descended-from-a-hairy-quadruped-furnished/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/9a5/charles-darwin-507_ears_we-thus-learn-that-man-is-descended-from_1784688.jpg)

> [“It is difficult to believe in the dreadful but quiet war lurking just below the serene facade of nature.”](https://sms4smile.com/quotes/charles-darwin/it-is-difficult-to-believe-in-the-dreadful-but-quiet-war-lurking-just/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/80a/charles-darwin-507_biology_it-is-difficult-to-believe-in-the-dreadf_1213821.jpg)

> [The survival or preservation of certain favoured words in the struggle for existence is natural selection.](https://sms4smile.com/quotes/charles-darwin/the-survival-or-preservation-of-certain-favoured-words-in-the/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/7e2/charles-darwin-507_certain_the-survival-or-preservation-of-certain_136623.jpg)

> [It is not the biggest, the brightest or the best that will survive, but those who adapt the quickest.](https://sms4smile.com/quotes/charles-darwin/it-is-not-the-biggest-the-brightest-or-the-best-that-will-survive-but/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/f6f/charles-darwin-507_inspirational_it-is-not-the-biggest-the-brightest-or-t_1946890.jpg)

> [Man is developed from an ovule, about 125th of an inch in diameter, which differs in no respect from the ovules of…](https://sms4smile.com/quotes/charles-darwin/man-is-developed-from-an-ovule-about-125th-of-an-inch-in-diameter/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/e05/charles-darwin-507_animal_man-is-developed-from-an-ovule-about-125_1561425.jpg)

> [The chief distinction in the intellectual powers of the two sexes is shown by mans attaining to a higher eminence, in whatever…](https://sms4smile.com/quotes/charles-darwin/the-chief-distinction-in-the-intellectual-powers-of-the-two-sexes-is/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/d16/charles-darwin-507_average_the-chief-distinction-in-the-intellectua_133092.jpg)

> [In however complex a manner this feeling may have originated, as it is one of high importance to all those animals which…](https://sms4smile.com/quotes/charles-darwin/in-however-complex-a-manner-this-feeling-may-have-originated-as-it-is/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/628/charles-darwin-507_aids_in-however-complex-a-manner-this-feeling_1868438.jpg)

> [I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection, in order to…](https://sms4smile.com/quotes/charles-darwin/i-have-called-this-principle-by-which-each-slight-variation-if-useful-2/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/4ac/charles-darwin-507_accurate_i-have-called-this-principle-by-which-ea_738915.jpg)

> [The main conclusion arrived at in this work, namely that man is descended from some lowly-organised form, will, I regret to think,…](https://sms4smile.com/quotes/charles-darwin/the-main-conclusion-arrived-at-in-this-work-namely-that-man-is/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/921/charles-darwin-507_barbarians_the-main-conclusion-arrived-at-in-this-w_3105240.jpg)

> [If it could be demonstrated that any complex organ existed, which could not possibly have been formed by numerous, successive, slight modifications,…](https://sms4smile.com/quotes/charles-darwin/if-it-could-be-demonstrated-that-any-complex-organ-existed-which/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/2b3/charles-darwin-507_break_if-it-could-be-demonstrated-that-any-com_1548652.jpg)

> [This preservation of favourable variations and the destruction of injurious variations, I call Natural Selection, or the Survival of the Fittest. Variations…](https://sms4smile.com/quotes/charles-darwin/this-preservation-of-favourable-variations-and-the-destruction-of/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/c5b/charles-darwin-507_affected_this-preservation-of-favourable-variatio_828934.jpg)

> [Hereafter we shall be compelled to acknowledge that the only distinction between species and well-marked varieties is, that the latter are known,…](https://sms4smile.com/quotes/charles-darwin/hereafter-we-shall-be-compelled-to-acknowledge-that-the-only/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/c74/charles-darwin-507_acknowledge_hereafter-we-shall-be-compelled-to-ackno_2195459.jpg)

> [I think it inevitably follows, that as new species in the course of time are formed through natural selection, others will become…](https://sms4smile.com/quotes/charles-darwin/i-think-it-inevitably-follows-that-as-new-species-in-the-course-of/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/697/charles-darwin-507_competition_i-think-it-inevitably-follows-that-as-ne_634169.jpg)

> [“Thus, as I believe, natural selection will tend in the long run to reduce any part of the organisation, as soon as…](https://sms4smile.com/quotes/charles-darwin/thus-as-i-believe-natural-selection-will-tend-in-the-long-run-to/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/21c/charles-darwin-507_habits_thus-as-i-believe-natural-selection-will_142315.jpg)

> [The more I study nature, the more I become impressed with ever-increasing force with the conclusion, that the contrivances and beautiful adaptations…](https://sms4smile.com/quotes/charles-darwin/the-more-i-study-nature-the-more-i-become-impressed-with-ever/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/ccb/charles-darwin-507_adaptation_the-more-i-study-nature-the-more-i-becom_917321.jpg)

> [Man with all his noble qualities, with sympathy which feels for the most debased, with benevolence which extends not only to other…](https://sms4smile.com/quotes/charles-darwin/man-with-all-his-noble-qualities-with-sympathy-which-feels-for-the/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/70a/charles-darwin-507_bears_man-with-all-his-noble-qualities-with-sy_632082.jpg)

> [It is often said that all the conditions for the first production of a living organism are now present, which could ever…](https://sms4smile.com/quotes/charles-darwin/it-is-often-said-that-all-the-conditions-for-the-first-production-of/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/bba/charles-darwin-507_bigs_it-is-often-said-that-all-the-conditions_2567328.jpg)

> [It is really laughable to see what different ideas are prominent in various naturalists' minds, when they speak of 'species'; in some,…](https://sms4smile.com/quotes/charles-darwin/it-is-really-laughable-to-see-what-different-ideas-are-prominent-in/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/20f/charles-darwin-507_believe_it-is-really-laughable-to-see-what-diffe_1912520.jpg)

> [“When we no longer look at an organic being as a savage looks at a ship, as at something wholly beyond his…](https://sms4smile.com/quotes/charles-darwin/when-we-no-longer-look-at-an-organic-being-as-a-savage-looks-at-a/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/29c/charles-darwin-507_evolution_when-we-no-longer-look-at-an-organic-bei_2735301.jpg)

> [“Thus, from the war of nature, from famine and death, the most exalted object which we are capable of conceiving, namely, the…](https://sms4smile.com/quotes/charles-darwin/thus-from-the-war-of-nature-from-famine-and-death-the-most-exalted/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/59b/charles-darwin-507_animals_thus-from-the-war-of-nature-from-famine_1340660.jpg)

> [The several difficulties here discussed, namely our not finding in the successive formations infinitely numerous transitional links between the many species which…](https://sms4smile.com/quotes/charles-darwin/the-several-difficulties-here-discussed-namely-our-not-finding-in-the/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/54f/charles-darwin-507_absence_the-several-difficulties-here-discussed_2026200.jpg)

> [“The affinities of all the beings of the same class have sometimes been represented by a great tree.I believe this simile largely…](https://sms4smile.com/quotes/charles-darwin/the-affinities-of-all-the-beings-of-the-same-class-have-sometimes/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/640/charles-darwin-507_1859_the-affinities-of-all-the-beings-of-the_951956.jpg)

> [“I will here give a brief sketch of the progress of opinion on the Origin of Species. Until recently the great majority…](https://sms4smile.com/quotes/charles-darwin/i-will-here-give-a-brief-sketch-of-the-progress-of-opinion-on-the/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/c11/charles-darwin-507_modern-times_i-will-here-give-a-brief-sketch-of-the-p_1490737.jpg)

> [It is not the strongest of the species that survive, but the one most responsive to change.](https://sms4smile.com/quotes/charles-darwin/it-is-not-the-strongest-of-the-species-that-survive-but-the-one-most/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/df4/charles-darwin-507_biology_it-is-not-the-strongest-of-the-species-t_2718075.jpg)

> [A cell is a complex structure, with its investing membrane, nucleus, and nucleolus.](https://sms4smile.com/quotes/charles-darwin/a-cell-is-a-complex-structure-with-its-investing-membrane-nucleus-and/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/a38/charles-darwin-507_cell_a-cell-is-a-complex-structure-with-its-i_2955151.jpg)

> [Mere chance ... alone would never account for so habitual and large an amount of difference as that between varieties of the…](https://sms4smile.com/quotes/charles-darwin/mere-chance-alone-would-never-account-for-so-habitual-and-large-an/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/21b/charles-darwin-507_accounts_mere-chance-alone-would-never-account-fo_1807607.jpg)

> [The formation of different languages and of distinct species and the proofs that both have been developed through a gradual process, are…](https://sms4smile.com/quotes/charles-darwin/the-formation-of-different-languages-and-of-distinct-species-and-the/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/e76/charles-darwin-507_different_the-formation-of-different-languages-and_388752.jpg)

> [“Natural Selection almost inevitably causes much Extinction of the less improved forms of life and induces what I have called Divergence of…](https://sms4smile.com/quotes/charles-darwin/natural-selection-almost-inevitably-causes-much-extinction-of-the/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/fff/charles-darwin-507_divergence_natural-selection-almost-inevitably-caus_2383367.jpg)

> [Natural selection acts solely by accumulating slight successive favorable variations, it can produce no great or sudden modification; it can act only…](https://sms4smile.com/quotes/charles-darwin/natural-selection-acts-solely-by-accumulating-slight-successive/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Image](https://sms4smile.com/quotes/i/3f1/charles-darwin-507_evolution_natural-selection-acts-solely-by-accumul_2909986.jpg)

## Other authors on Evolution

- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b020/author-richard-dawkins-78503.jpg) Richard Dawkins 223 quotes ](https://sms4smile.com/quotes/about/evolution/richard-dawkins/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b022/author-stephen-jay-gould-87041.jpg) Stephen Jay Gould 106 quotes ](https://sms4smile.com/quotes/about/evolution/stephen-jay-gould/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b022/author-siddhartha-mukherjee-85288.jpg) Siddhartha Mukherjee 65 quotes ](https://sms4smile.com/quotes/about/evolution/siddhartha-mukherjee/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b011/author-idries-shah-43105.jpg) Idries Shah 52 quotes ](https://sms4smile.com/quotes/about/evolution/idries-shah/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b006/author-carl-sagan-20994.jpg) Carl Sagan 46 quotes ](https://sms4smile.com/quotes/about/evolution/carl-sagan/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b001/author-yuval-noah-harari-100.jpg) Yuval Noah Harari 41 quotes ](https://sms4smile.com/quotes/about/evolution/yuval-noah-harari/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b005/author-b-b-king-1507543-16033.jpg) Joseph P. Kauffman 41 quotes ](https://sms4smile.com/quotes/about/evolution/joseph-p-kauffman/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b005/author-bill-nye-18005.jpg) Bill Nye 37 quotes ](https://sms4smile.com/quotes/about/evolution/bill-nye/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b022/author-steven-pinker-87519.jpg) Steven Pinker 35 quotes ](https://sms4smile.com/quotes/about/evolution/steven-pinker/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b009/author-francis-crick-35454.jpg) Francis Crick 34 quotes ](https://sms4smile.com/quotes/about/evolution/francis-crick/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b008/author-e-o-wilson-31102.jpg) E. O. Wilson 33 quotes ](https://sms4smile.com/quotes/about/evolution/e-o-wilson/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b009/author-ernst-mayr-33893.jpg) Ernst Mayr 32 quotes ](https://sms4smile.com/quotes/about/evolution/ernst-mayr/)

## More by Charles Darwin

> [The love for all living creatures is the most noble attribute of man.](https://sms4smile.com/quotes/charles-darwin/the-love-for-all-living-creatures-is-the-most-noble-attribute-of-man/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [The main conclusion here arrived at ... is that man is descended from some less highly organized form.](https://sms4smile.com/quotes/charles-darwin/the-main-conclusion-here-arrived-at-is-that-man-is-descended-from/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [So great is the economy of nature, that most flowers which are fertilised by crepuscular or nocturnal insects emit their odour chiefly or exclusively…](https://sms4smile.com/quotes/charles-darwin/so-great-is-the-economy-of-nature-that-most-flowers-which-are/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [I see no good reasons why the views given in this volume should shock the religious views of anyone.](https://sms4smile.com/quotes/charles-darwin/i-see-no-good-reasons-why-the-views-given-in-this-volume-should-shock/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [I am quite conscious that my speculations run beyond the bounds of true science…It is a mere rag of an hypothesis with as many…](https://sms4smile.com/quotes/charles-darwin/i-am-quite-conscious-that-my-speculations-run-beyond-the-bounds-of/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [If worms have the power of acquiring some notion, however rude, of the shape of an object and over their burrows, as seems the…](https://sms4smile.com/quotes/charles-darwin/if-worms-have-the-power-of-acquiring-some-notion-however-rude-of-the/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to…](https://sms4smile.com/quotes/charles-darwin/we-can-allow-satellites-planets-suns-universe-nay-whole-systems-of/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [Formerly Milton's Paradise Lost had been my chief favourite, and in my excursions during the voyage of the Beagle, when I could take only…](https://sms4smile.com/quotes/charles-darwin/formerly-milton-s-paradise-lost-had-been-my-chief-favourite-and-in-my/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [May we not suspect that the vague but very real fears of children, which are quite independent of experience, are the inherited effects of…](https://sms4smile.com/quotes/charles-darwin/may-we-not-suspect-that-the-vague-but-very-real-fears-of-children/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [It may be said that natural selection is daily and hourly scrutinizing, throughout the world, every variation, even the slightest; rejecting that which is…](https://sms4smile.com/quotes/charles-darwin/it-may-be-said-that-natural-selection-is-daily-and-hourly/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [“Darwin, landing in Brazil in 1832, had a similar reaction, colored by his reading of his predecessor." Humboldt's glorious descriptions are & will for…](https://sms4smile.com/quotes/charles-darwin/darwin-landing-in-brazil-in-1832-had-a-similar-reaction-colored-by/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [...all nature is perverse & will not do as I wish it.](https://sms4smile.com/quotes/charles-darwin/all-nature-is-perverse-will-not-do-as-i-wish-it/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [“To admit that species generally become rare before they become extinct—to feel no surprise at the comparative rarity of one species with another, and…](https://sms4smile.com/quotes/charles-darwin/to-admit-that-species-generally-become-rare-before-they-become/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [To suppose that the eye could have been formed by natural selection, seems, I freely confess, absurd in the highest possible degree](https://sms4smile.com/quotes/charles-darwin/to-suppose-that-the-eye-could-have-been-formed-by-natural-selection/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [It is interesting to contemplate an entangled bank clothed with many plants of many kinds with birds singing on the bushes, with various insects…](https://sms4smile.com/quotes/charles-darwin/it-is-interesting-to-contemplate-an-entangled-bank-clothed-with-many/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

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                        "text": "The chief distinction in the intellectual powers of the two sexes is shown by mans attaining to a higher eminence, in whatever he takes up, than the woman. Whether deep thought, reason, or imagination or merely the use of the senses and hands…We may also infer…The average mental power in man must be above that of woman.",
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                        "text": "In however complex a manner this feeling may have originated, as it is one of high importance to all those animals which aid and defend one another, it will have been increased through natural selection; for those communities, which included the greatest number of the most sympathetic members, would flourish best, and rear the greatest number of offspring.",
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                        "text": "I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection, in order to mark its relation to man's power of selection. But the expression often used by Mr. Herbert Spencer of the Survival of the Fittest is more accurate, and is sometimes equally convenient.",
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                        "text": "The main conclusion arrived at in this work, namely that man is descended from some lowly-organised form, will, I regret to think, be highly distasteful to many persons. But there can hardly be a doubt that we are descended from barbarians.",
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                        "text": "If it could be demonstrated that any complex organ existed, which could not possibly have been formed by numerous, successive, slight modifications, my theory would absolutely break down. But I can find no such case.",
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                        "text": "This preservation of favourable variations and the destruction of injurious variations, I call Natural Selection, or the Survival of the Fittest. Variations neither useful nor injurious would not be affected by natural selection and would be left a fluctuating element.",
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                        "text": "Hereafter we shall be compelled to acknowledge that the only distinction between species and well-marked varieties is, that the latter are known, or believed to be connected at the present day by intermediate gradations whereas species were formerly thus connected.",
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                        "text": "I think it inevitably follows, that as new species in the course of time are formed through natural selection, others will become rarer and rarer, and finally extinct. The forms which stand in closest competition with those undergoing modification and improvement will naturally suffer most.",
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                        "text": "“Thus, as I believe, natural selection will tend in the long run to reduce any part of the organisation, as soon as it becomes, through changed habits, superfluous, without by any means causing some other part to be largely developed in a corresponding degree. And conversely, that natural selection may perfectly well succeed in largely developing an organ without requiring as a necessary compensation the reduction of some adjoining part.”",
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                        "text": "The more I study nature, the more I become impressed with ever-increasing force with the conclusion, that the contrivances and beautiful adaptations slowly acquired through each part occasionally varying in a slight degree but in many ways, with the preservation or natural selection of those variations which are beneficial to the organism under the complex and ever-varying conditions of life, transcend in an incomparable degree the contrivances and adaptations which the most fertile imagination of man could suggest with unlimited time at his disposal.",
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                        "text": "Man with all his noble qualities, with sympathy which feels for the most debased, with benevolence which extends not only to other men but to the humblest living creature, with his god-like intellect which has penetrated into the movements and constitution of the solar system- with all these exalted powers- Man still bears in his bodily frame the indelible stamp of his lowly origin.",
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                        "text": "It is often said that all the conditions for the first production of a living organism are now present, which could ever have been present. But if (and oh! what a big if!) we could conceive in some warm little pond, with all sorts of ammonia and phosphoric salts, light, heat, electricity, &c., present, that a proteine compound was chemically formed ready to undergo stillmore complex changes, at the present day such matter would be instantly devoured or absorbed, which would not have been the case before living creatures were formed.",
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                        "text": "It is really laughable to see what different ideas are prominent in various naturalists' minds, when they speak of 'species'; in some, resemblance is everything and descent of little weight-in some, resemblance seems to go for nothing, and Creation the reigning idea-in some, descent is the key,-in some, sterility an unfailing test, with others it is not worth a farthing. It all comes, I believe, from trying to define the undefinable.",
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                        "text": "“When we no longer look at an organic being as a savage looks at a ship, as at something wholly beyond his comprehension; when we regard every production of nature as one which has had a history; when we contemplate every complex structure and instinct as the summing up of many contrivances, each useful to the possessor, nearly in the same way as when we look at any great mechanical invention as the summing up of the labour, the experience, the reason, and even the blunders of numerous workmen; when we thus view each organic being, how far more interesting, I speak from experience, will the study of natural history become!”",
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                        "text": "“Thus, from the war of nature, from famine and death, the most exalted object which we are capable of conceiving, namely, the production of the higher animals, directly follows. There is grandeur in this view of life, with its several powers, having been originally breathed into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being, evolved.”",
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                        "text": "The several difficulties here discussed, namely our not finding in the successive formations infinitely numerous transitional links between the many species which now exist or have existed; the sudden manner in which whole groups of species appear in our European formations; the almost entire absence, as at present known, of fossiliferous formations beneath the Silurian strata, are all undoubtedly of the gravest nature.",
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                        "text": "“The affinities of all the beings of the same class have sometimes been represented by a great tree.I believe this simile largely speaks the truth. The green and budding twigs may represent existing species; and those produced during former years may represent the long succession of extinct species. At each period of growth all the growing twigs have tried to branch out on all sides, and to overtop and kill the surrounding twigs and branches, in the same manner as species and groups of species have at all times overmastered other species in the great battle for life. The limbs divided into great branches, and these into lesser and lesser branches, were themselves once, when the tree was young, budding twigs; and this connection of the former and present buds by ramifying branches may well represent the classification of all extinct and living species in groups subordinate to groups. Of the many twigs which flourished when the tree was a mere bush, only two or three, now grown into great branches, yet survive and bear the other branches; so with the species which lived during long-past geological periods, very few have left living and modified descendants. From the first growth of the tree, many a limb and branch has decayed and dropped off; and these fallen branches of various sizes may represent those whole orders, families, and genera which have now no living representatives, and which are known to us only in a fossil state. As we here and there see a thin straggling branch springing from a fork low down in a tree, and which by some chance has been favoured and is still alive on its summit, so we occasionally see an animal like the Ornithorhynchus or Lepidosiren, which in some small degree connects by its affinities two large branches of life, and which has apparently been saved from fatal competition by having inhabited a protected station. As buds give rise by growth to fresh buds, and these, if vigorous, branch out and overtop on all sides many a feebler branch, so by generation I believe it has been with the great Tree of Life, which fills with its dead and broken branches the crust of the earth, and covers the surface with its ever-branching and beautiful ramifications.”",
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                        "text": "“I will here give a brief sketch of the progress of opinion on the Origin of Species. Until recently the great majority of naturalists believed that species were immutable productions, and had been separately created. This view has been ably maintained by many authors. Some few naturalists, on the other hand, have believed that species undergo modification, and that the existing forms of life are the descendants by true generation of pre existing forms. Passing over allusions to the subject in the classical writers (Aristotle, in his \"Physicae Auscultationes\" (lib.2, cap.8, s.2), after remarking that rain does not fall in order to make the corn grow, any more than it falls to spoil the farmer's corn when threshed out of doors, applies the same argument to organisation; and adds (as translated by Mr. Clair Grece, who first pointed out the passage to me), \"So what hinders the different parts (of the body) from having this merely accidental relation in nature? as the teeth, for example, grow by necessity, the front ones sharp, adapted for dividing, and the grinders flat, and serviceable for masticating the food; since they were not made for the sake of this, but it was the result of accident. And in like manner as to other parts in which there appears to exist an adaptation to an end. Wheresoever, therefore, all things together (that is all the parts of one whole) happened like as if they were made for the sake of something, these were preserved, having been appropriately constituted by an internal spontaneity; and whatsoever things were not thus constituted, perished and still perish.\" We here see the principle of natural selection shadowed forth, but how little Aristotle fully comprehended the principle, is shown by his remarks on the formation of the teeth.), the first author who in modern times has treated it in a scientific spirit was Buffon. But as his opinions fluctuated greatly at different periods, and as he does not enter on the causes or means of the transformation of species, I need not here enter on details.”",
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                        "text": "It is not the strongest of the species that survive, but the one most responsive to change.",
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                        "text": "A cell is a complex structure, with its investing membrane, nucleus, and nucleolus.",
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                        "text": "Mere chance ... alone would never account for so habitual and large an amount of difference as that between varieties of the same species.",
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                        "text": "“Natural Selection almost inevitably causes much Extinction of the less improved forms of life and induces what I have called Divergence of Character.”",
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                        "text": "Natural selection acts solely by accumulating slight successive favorable variations, it can produce no great or sudden modification; it can act only by very short steps.",
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