The survival or preservation of certain favoured words in the struggle for existence is natural selection. — Charles Darwin Copy Share Image
I would give absolutely nothing for the theory of Natural Selection, if it requires miraculous additions at any one stage of descent. — Charles Darwin Copy Share Image
As natural selection works solely by and for the good of each being, all corporeal and mental endowments will tend to progress… — Charles Darwin Copy Share Image
Although much remains obscure, and will long remain obscure, ... I am convinced that Natural Selection has been the main but not… — Charles Darwin Copy Share Image
Natural selection acts solely by accumulating slight successive favorable variations, it can produce no great or sudden modification; it can act only… — Charles Darwin Copy Share Image
The man that created the theory of evolution by natural selection was thrown out by his Dad because he wanted him to… — Charles Darwin Copy Share Image
I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection. — Charles Darwin Copy Share Image
With highly civilised nations continued progress depends in a subordinate degree on natural selection; for such nations do not supplant and exterminate… — Charles Darwin Copy Share Image
I think it can be shown that there is such an unerring power at work in Natural Selection, which selects exclusively for… — Charles Darwin Copy Share Image
... if variations useful to any organic being do occur, assuredly individuals thus characterized will have the best chance of being perserved… — Charles Darwin Copy Share Image
That there is much suffering in the world no one disputes. Which is more likely, that pain and evil are the result… — Charles Darwin Copy Share Image
On the theory of natural selection we can clearly understand the full meaning of that old canon in natural history, “Natura non… — Charles Darwin Copy Share Image
This fundamental subject of Natural Selection will be treated at some length in the fourth chapter; and we shall then see how… — Charles Darwin Copy Share Image
This preservation of favourable variations and the destruction of injurious variations, I call Natural Selection, or the Survival of the Fittest. Variations… — Charles Darwin Copy Share Image
“Thus, as I believe, natural selection will tend in the long run to reduce any part of the organisation, as soon as… — Charles Darwin Copy Share Image
In however complex a manner this feeling may have originated, as it is one of high importance to all those animals which… — Charles Darwin Copy Share Image
I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection, in order to… — Charles Darwin Copy Share Image
I am aware that the conclusions arrived at in this work will be denounced by some as highly irreligious; but he who… — Charles Darwin Copy Share Image
To suppose that the eye could have been formed by natural selection, seems, I freely confess, absurd in the highest possible degree — Charles Darwin Copy Share Image
In the survival of favoured individuals and races, during the constantly-recurring struggle for existence, we see a powerful and ever-acting form of… — Charles Darwin Copy Share Image
It may be said that natural selection is daily and hourly scrutinizing, throughout the world, every variation, even the slightest; rejecting that… — Charles Darwin Copy Share Image
I fully agree with all that you say on the advantages of Spencer's excellent expression of 'the survival of the fittest.' This,… — Charles Darwin Copy Share Image
The main conclusion here arrived at ... is that man is descended from some less highly organized form. — Charles Darwin Copy Share
So great is the economy of nature, that most flowers which are fertilised by crepuscular or nocturnal insects emit their odour chiefly or exclusively… — Charles Darwin Copy Share
I see no good reasons why the views given in this volume should shock the religious views of anyone. — Charles Darwin Copy Share
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… — Charles Darwin Copy Share
If worms have the power of acquiring some notion, however rude, of the shape of an object and over their burrows, as seems the… — Charles Darwin Copy Share
We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to… — Charles Darwin Copy Share
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… — Charles Darwin Copy Share
May we not suspect that the vague but very real fears of children, which are quite independent of experience, are the inherited effects of… — Charles Darwin Copy Share
It may be said that natural selection is daily and hourly scrutinizing, throughout the world, every variation, even the slightest; rejecting that which is… — Charles Darwin Copy Share
“Darwin, landing in Brazil in 1832, had a similar reaction, colored by his reading of his predecessor." Humboldt's glorious descriptions are & will for… — Charles Darwin Copy Share
“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… — Charles Darwin Copy Share
To suppose that the eye could have been formed by natural selection, seems, I freely confess, absurd in the highest possible degree — Charles Darwin Copy Share
It is interesting to contemplate an entangled bank clothed with many plants of many kinds with birds singing on the bushes, with various insects… — Charles Darwin Copy Share
