Only the fittest will survive.
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.
Animals, whom we have made our slaves, we do not like to consider our equal.
The normal food of man is vegetable.
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.
He who is not content to look, like a savage, at the phenomena of nature as disconnected, cannot any longer believe that man is the work of a separate act of creation ... Man is the co-descendant with other mammals of a common progenitor.
I cannot persuade myself that a beneficent and omnipotent God would have designedly created parasitic wasps with the express intention of their feeding within the living bodies of Caterpillars.
Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.
There is a grandeur in this view of life, from so simple a beginning endless forms most beautiful are being evolved
It is mere rubbish thinking, at present, of origin of life; one might as well think of origin of matter.
The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.
The question of whether there exists a Creator and Ruler of the Universe has been answered in the affirmative by some of the highest intellects that have ever existed.
The mystery of the beginning of all things is insoluble by us; and I for one must be content to remain an agnostic.
How so many absurd rules of conduct, as well as so many absurd religious beliefs, have originated, we do not know; nor how it is that they have become, in all quarters of the world, so deeply impressed on the minds of men; but it is worthy of remark that a belief constantly inculcated during the early years of life, while the brain is impressionable, appears to acquire almost the nature of an instinct; and the very essence of an instinct is that it is followed independently of reason.
Such simple instincts as bees making a beehive could be sufficient to overthrow my whole theory.
Freedom of thought is best promoted by the gradual illumination of men’s minds which follows from the advance of science.
As man advances in civilization, 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 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.
Man scans with scrupulous care the character and pedigree of his horses, cattle, and dogs before he matches them; but when he comes to his own marriage he rarely, or never, takes any such care.
We behold the face of nature bright with gladness.
We are not here concerned with hopes or fears, only with truth as far as our reason permits us to discover it.
At some future period, not very distant as measured by centuries, the civilised races of man will almost certainly exterminate and replace throughout the world the savage races. At the same time the anthropomorphous apes, as Professor Schaaffhausen has remarked, will no doubt be exterminated. The break will then be rendered wider, for it will intervene between man in a more civilised state as we may hope, than the Caucasian and some ape as low as a baboon, instead of as at present between the negro or Australian and the gorilla.
Often a cold shudder has run through me, and I have asked myself whether I may have not devoted myself to a fantasy.
The fact of evolution is the backbone of biology, and biology is thus in the peculiar position of being a science founded on an improved theory, is it then a science or faith?
In the struggle for survival, the fittest win out at the expense of their rivals because they succeed in adapting themselves best to their environment.
It is a cursed evil to any man to become as absorbed in any subject as I am in mine.
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