Charles Darwin citations (175 citations, Page 6)

Charles Darwin: 175 citations 2 J'aime

Charles Darwin citations célèbres

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“Un homme qui ose perdre une heure de son temps n'a pas découvert la valeur de la vie.”

Charles Darwin

“Ce n'est pas le plus fort de l'espèce qui survit, ni le plus intelligent. C'est celui qui sait le mieux s'adapter au changement.”

Charles Darwin

Propos rapportés

“Les véritables affinités des êtres organisés, au contraire de leurs ressemblances d’adaptation, sont le résultat héréditaire de la communauté de descendance.”

Charles Darwin

The real affinities of all organic beings are due to inheritance or community of descent.
en
L'Origine des espèces, 1859

“Quiconque a vu un sauvage dans son pays natal n’éprouvera aucune honte à reconnaître que le sang de quelque être inférieur coule dans ses veines.”

Charles Darwin livre La Filiation de l'homme et la sélection liée au sexe

La Filiation de l'homme et la sélection liée au sexe

“Au cours de la journée, je fus diverti par la dextérité avec laquelle un gaúcho força un cheval rétif à traverser une rivière. Il ôta ses vêtements et sautant sur son dos, pénétra avec lui dans l'eau jusqu'à ce qu'il cessa d'avoir pied. Puis glissant le long de la croupe, il s'agrippa fermement à la queue, et à chaque fois que le cheval se retournait, l'homme l'effrayait en lui aspergeant la tête d'eau. Dès que le cheval reprit pied de l'autre côté, l'homme remonta sur lui et s'assit bride en main, avant qu'il eût regagné la rive. Un homme nu sur un cheval nu est un plaisant spectacle. Je n'imaginais pas que les deux animaux pussent s'adapter aussi bien l'un à l'autre.”

Charles Darwin

Propos rapportés

“Lamarck était le premier homme dont les conclusions furent publiées sur ce sujet en 1801.”

Charles Darwin

Lamarck was the first man whose conclusions on this subject were published in 1801.
en
Opinion historique sur l'origine des espèces
L'Origine des espèces, 1859

Citations sur les hommes et les garçons de Charles Darwin

“Ces malheureux sauvages ont la taille rabougrie, le visage hideux, couvert de peinture blanche, la peau sale et graisseuse, les cheveux mêlés, la voix discordante et les gestes violents. Quand on voit ces hommes, c’est à peine si l’on peut croire que ce soient des créatures humaines. On se demande souvent quelles jouissances peut procurer la vie à quelques-uns des animaux inférieurs; on pourrait se faire la même question, et avec beaucoup plus de raison, relativement à ces sauvages.”

Charles Darwin

Voyage d’un naturaliste autour du monde

“Si l'homme n'avait pas été son propre classificateur, il n'eût jamais songé à fonder un ordre séparé pour s'y placer.”

Charles Darwin

Note de Darwin en 1871
Propos rapportés

“J’entrevois dans un avenir éloigné des routes ouvertes à des recherches encore bien plus importantes. La psychologie sera solidement établie sur la base si bien définie déjà par M. Herbert Spencer, c’est-à-dire sur l’acquisition nécessairement graduelle de toutes les facultés et de toutes les aptitudes mentales, ce qui jettera une vive lumière sur l’origine de l’homme et sur son histoire.”

Charles Darwin

L'Origine des espèces, 1859

Charles Darwin Citations

“Cette tendance qu’ont les groupes déjà considérables à augmenter toujours et à diverger par leurs caractères, jointe à la conséquence presque inévitable d’extinctions fréquentes, explique l’arrangement de toutes les formes vivantes en groupes subordonnés à d’autres groupes, et tous compris dans un petit nombre de grandes classes, arrangement qui a prévalu dans tous les temps.”

Charles Darwin

, 1859

temps , formation

“Dans la longue histoire du genre animal, ce sont ceux qui ont appris à collaborer et à improviser efficacement qui l'ont emporté.”

Charles Darwin

Propos rapportés

histoire , animaux

“J’entrevois dans un avenir éloigné des routes ouvertes à des recherches encore bien plus importantes. La psychologie sera solidement établie sur la base si bien définie déjà par M.”

Charles Darwin

, 1859

recherche , avenir

“Celui qui n'évolue pas disparaît.”

Charles Darwin

“Pour être un bon observateur, il faut être un bon théoricien.”

Charles Darwin

Propos rapportés

faute

Charles Darwin: Citations en anglais

“Lamarck was the first man whose conclusions on this subject were published in 1801.”

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Charles Darwin

L'Origine des espèces, 1859

“The real affinities of all organic beings are due to inheritance or community of descent.”

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Charles Darwin

L'Origine des espèces, 1859

“It is interesting to contemplate an entangled bank, clothed with many plants of many kinds, with birds singing on the bushes, with various insects flitting about, and with worms crawling through the damp earth, and to reflect that these elaborately constructed forms, so different from each other, and dependent on each other in so complex a manner, have all been produced by laws acting around us. These laws, taken in the largest sense, being Growth with Reproduction; Inheritance which is almost implied by reproduction; Variability from the indirect and direct action of the external conditions of life, and from use and disuse; a Ratio of Increase so high as to lead to a Struggle for Life, and as a consequence to Natural Selection, entailing Divergence of Character and the Extinction of less-improved forms. 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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Charles Darwin livre On the Origin of Species (1859)

Last paragraph of the first edition (1859). Only use of the term "evolve" or "evolution" in the first edition.
In the second http://darwin-online.org.uk/content/frameset?pageseq=508&itemID=F376&viewtype=image (1860) through sixth (1872) editions, Darwin added the phrase "by the Creator" to read:
There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator 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.
Source: On the Origin of Species (1859), chapter XIV: "Recapitulation and Conclusion", page 489-90 http://darwin-online.org.uk/content/frameset?pageseq=508&itemID=F373&viewtype=image

“There is one living spirit prevalent over this world, (subject to certain contingencies of organic matter & chiefly heat), which assumes a multitude of forms each having acting principle according to subordinate laws.”

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Charles Darwin

There is one thinking sensible principle, intimately allied to one kind of organic matter—have & which thinking principle seems to be given a assumed according to a more extended relations of the individuals, whereby choice with memory or reason? is necessary—which is modified into endless forms bearing a close relation in degree & kind to the endless forms of the living beings.
" Notebook C http://darwin-online.org.uk/EditorialIntroductions/vanWyhe_notebooks.html" (1838) page 210e http://darwin-online.org.uk/content/frameset?pageseq=186&itemID=CUL-DAR122.-&viewtype=side
quoted in [Creativity, Psychology and the History of Science, 2005, Howard E., Gruber, Katja, Bödeker, Springer, 9781402034916, 142, http://books.google.com/books?id=MDbruQKIu-wC&pg=PA142]
also quoted in [The Cambridge Companion to Darwin, 2003, Robert J., Richards, Darwin on mind, morals, and emotions, Johnathan, Hodge, Gregory, Radick, Cambridge University Press, 9780521777308, 95-96, http://books.google.com/books?id=uj_by_Sg3LkC&pg=PA95]
Other letters, notebooks, journal articles, recollected statements

“Man may be excused for feeling some pride at having risen, though not through his own exertions, to the very summit of the organic scale; and the fact of his having thus risen, instead of having been aboriginally placed there, may give him hopes for a still higher destiny in the distant future. But we are not here concerned with hopes or fears, only with the truth as far as our reason allows us to discover it. I have given the evidence to the best of my ability; and we must acknowledge, as it seems to me, that 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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Charles Darwin livre La Filiation de l'homme et la sélection liée au sexe

volume II, chapter XXI: "General Summary and Conclusion", page 405 http://darwin-online.org.uk/content/frameset?pageseq=422&itemID=F937.2&viewtype=image
Closing paragraph of the book.
The Descent of Man (1871)

“As man advances in civilisation, and small tribes are united into larger communities, the simplest reason would tell each individual that he ought to extend his social instincts and sympathies to all the members of the same nation, though personally unknown to him. This point being once reached, there is only an artificial barrier to prevent his sympathies extending to the men of all nations and races. If, indeed, such men are separated from him by great differences in appearance or habits, experience unfortunately shews us how long it is before we look at them as our fellow-creatures. Sympathy beyond the confines of man, that is humanity to the lower animals, seems to be one of the latest moral acquisitions. It is apparently unfelt by savages, except towards their pets. How little the old Romans knew of it is shewn by their abhorrent gladiatorial exhibitions. The very idea of humanity, as far as I could observe, was new to most of the Gauchos of the Pampas. This virtue, one of the noblest with which man is endowed, seems to arise incidentally from our sympathies becoming more tender and more widely diffused, until they are extended to all sentient beings. As soon as this virtue is honoured and practised by some few men, it spreads through instruction and example to the young, and eventually through public opinion.”

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Charles Darwin livre La Filiation de l'homme et la sélection liée au sexe

volume I, chapter III: "Comparison of the Mental Powers of Man and the Lower Animals — continued", pages 100-101 http://darwin-online.org.uk/content/frameset?pageseq=113&itemID=F937.1&viewtype=image
The Descent of Man (1871)

“To suppose that the eye with all its inimitable contrivances for adjusting the focus to different distances, for admitting different amounts of light, and for the correction of spherical and chromatic aberration, could have been formed by natural selection, seems, I freely confess, absurd in the highest degree. When it was first said that the sun stood still and the world turned round, the common sense of mankind declared the doctrine false; but the old saying of Vox populi, vox Dei, as every philosopher knows, cannot be trusted in science. Reason tells me, that if numerous gradations from a simple and imperfect eye to one complex and perfect can be shown to exist, each grade being useful to its possessor, as is certainly the case; if further, the eye ever varies and the variations be inherited, as is likewise certainly the case; and if such variations should be useful to any animal under changing conditions of life, then the difficulty of believing that a perfect and complex eye could be formed by natural selection, though insuperable by our imagination, should not be considered as subversive of the theory. How a nerve comes to be sensitive to light, hardly concerns us more than how life itself originated; but I may remark that, as some of the lowest organisms, in which nerves cannot be detected, are capable of perceiving light, it does not seem impossible that certain sensitive elements in their sarcode should become aggregated and developed into nerves, endowed with this special sensibilites.”

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Charles Darwin livre On the Origin of Species (1859)

On the Origin of Species (1859)

“And thus, the forms of life throughout the universe become divided into groups subordinate to groups.”

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Charles Darwin livre On the Origin of Species (1859)

Source: On the Origin of Species (1859), chapter II: "Variation Under Nature", page 59

“As many more individuals of each species are born than can possibly survive; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary however slightly in any manner profitable to itself, under the complex and sometimes varying conditions of life, will have a better chance of surviving, and thus be naturally selected.”

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Charles Darwin livre On the Origin of Species (1859)

From the strong principle of inheritance, any selected variety will tend to propagate its new and modified form.
"Introduction", page 5 http://darwin-online.org.uk/content/frameset?pageseq=20&itemID=F373&viewtype=image
On the Origin of Species (1859)

“I cannot persuade myself that a beneficent & omnipotent God would have designedly created the Ichneumonidæ with the express intention of their feeding within the living bodies of caterpillars, or that a cat should play with mice.”

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Charles Darwin

Letter https://www.darwinproject.ac.uk/letter/DCP-LETT-2814.xml to Asa Gray, 22 May 1860
Other letters, notebooks, journal articles, recollected statements