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April 10, 2026
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"At the present day the most usual argument for the existence of an intelligent God is drawn from the deep inward conviction and feelings which are experienced by most persons. But it cannot be doubted that Hindoos, Mahomadans and others might argue in the same manner and with equal force in favour of the existence of one God, or of many Gods, or as with the Buddists of no God. There are also many barbarian tribes who cannot be said with any truth to believe in what we call God: they believe indeed in spirits or ghosts, and it can be explained, as Tyler and Herbert Spencer have shown, how such a belief would be likely to arise….This argument would be a valid one if all men of all races had the same inward conviction of the existence of one God; but we know that this is very far from being the case. Therefore I cannot see that such inward convictions and feelings are of any weight as evidence of what really exists."
"That there is much suffering in the world no one disputes. Some have attempted to explain this in reference to man by imagining that it serves for his moral improvement. But the number of men in the world is as nothing compared with that of all other sentient beings, and these often suffer greatly without any moral improvement. A being so powerful and so full of knowledge as a God who could create the universe, is to our finite minds omnipotent and omniscient, and it revolts our understanding to suppose that his benevolence is not unbounded, for what advantage can there be in the sufferings of millions of the lower animals throughout almost endless time? This very old argument from the existence of suffering against the existence of an intelligent first cause seems to me a strong one; whereas, as just remarked, the presence of much suffering agrees well with the view that all organic beings have been developed through variation and natural selection."
"But I was very unwilling to give up my belief;—I feel sure of this for I can well remember often and often inventing day-dreams of old letters between distinguished Romans and manuscripts being discovered at Pompeii or elsewhere which confirmed in the most striking manner all that was written in the Gospels. But I found it more and more difficult, with free scope given to my imagination, to invent evidence which would suffice to convince me. Thus disbelief crept over me at a very slow rate, but was at last complete. The rate was so slow that I felt no distress, and have never since doubted even for a single second that my conclusion was correct. I can indeed hardly see how anyone ought to wish Christianity to be true; for if so the plain language of the text seems to show that the men who do not believe, and this would include my Father, Brother and almost all my best friends, will be everlastingly punished. And this is a damnable doctrine. Although I did not think much about the existence of a personal God until a considerably later period of my life, I will here give the vague conclusions to which I have been driven. The old argument of design in nature, as given by Paley, which formerly seemed to me so conclusive, fails, now that the law of natural selection has been discovered. We can no longer argue that, for instance, the beautiful hinge of a bivalve shell must have been made by an intelligent being, like the hinge of a door by man. There seems to be no more design in the variability of organic beings and in the action of natural selection, than in the course which the wind blows. Everything in nature is the result of fixed laws. But I have discussed this subject at the end of my book on the Variation of Domesticated Animals and Plants, and the argument there given has never, as far as I can see, been answered."
"By further reflecting that the clearest evidence would be requisite to make any sane man believe in the miracles by which Christianity is supported,—that the more we know of the fixed laws of nature the more incredible do miracles become,—that the men at that time were ignorant and credulous to a degree almost incomprehensible by us,—that the Gospels cannot be proved to have been written simultaneously with the events,—that they differ in many important details, far too important as it seemed to me to be admitted as the usual inaccuracies of eye-witnesses;—by such reflections as these, which I give not as having the least novelty or value, but as they influenced me, I gradually came to disbelieve in Christianity as a divine revelation."
"But I had gradually come, by this time, to see that the Old Testament from its manifestly false history of the world, with the Tower of Babel, the rainbow as a sign, etc., etc., and from its attributing to God the feelings of a revengeful tyrant, was no more to be trusted than the sacred books of the Hindoos, or the beliefs of any barbarian."
"All this shows how ambitious I was; but I think that I can say with truth that in after years, though I cared in the highest degree for the approbation of such men as Lyell and Hooker, who were my friends, I did not care much about the general public. I do not mean to say that a favourable review or a large sale of my books did not please me greatly; but the pleasure was a fleeting one, and I am sure that I have never turned one inch out of my course to gain fame."
"I discovered, though unconsciously and insensibly, that the pleasure of observing and reasoning was a much higher one than that of skill and sport. The primeval instincts of the barbarian slowly yielded to the acquired tastes of the civilized man."
"Science consists in grouping facts so that general laws or conclusions may be drawn from them."
"I attempted mathematics, and even went during the summer of 1828 with a private tutor (a very dull man) to Barmouth, but I got on very slowly. The work was repugnant to me, chiefly from my not being able to see any meaning in the early steps in algebra. This impatience was very foolish, and in after years I have deeply regretted that I did not proceed far enough at least to understand something of the great leading principles of mathematics; for men thus endowed seem to have an extra sense."
"Accordingly I read with care Pearson on the Creed and a few other books on divinity; and as I did not then in the least doubt the strict and literal truth of every word in the Bible, I soon persuaded myself that our Creed must be fully accepted. It never struck me how illogical it was to say that I believed in what I could not understand and what is in fact unintelligible. I might have said with entire truth that I had no wish to dispute any dogma; but I never was such a fool as to feel and say 'credo quia incredibile’."
"I also attended on two occasions the operating theatre in the hospital at Edinburgh, and saw two very bad operations, one on a child, but I rushed away before they were completed. Nor did I ever attend again, for hardly any inducement would have been strong enough to make me do so; this being long before the blessed days of chloroform. The two cases fairly haunted me for many a long year."
"To my mind there are no advantages and many disadvantages in lectures compared with reading."
"Self-portraits have the merit of disclosing the influences as well as the man. There may be some to whom the Autobiography will prove what Charles Darwin was not—a metaphysician or profound thinker beyond the scope of his world-wide subject. But no one can read his own words and fail to recognise a character of rare simplicity and complete integrity. The Autobiography shows how it was that he altered the whole course of Victorian thought, not by blazoning his discoveries nor by sudden iconoclasm, but rather through searching insight and pondered judgments opening up vast fields for further research."
"The time is always ripe for the re-interpretation of theories in the light of new vision and of new facts. This is the very province of science."
"I have rarely read anything which has interested me more, though I have not read as yet more than a quarter of the book proper. From quotations which I had seen, I had a high notion of Aristotle's merits, but I had not the most remote notion what a wonderful man he was. Linnaeus and Cuvier have been my two gods, though in very different ways, but they were mere schoolboys to old Aristotle."
"My wife has just finished reading aloud your 'Life with a Black Regiment,' and you must allow me to thank you heartily for the very great pleasure which it has in many ways given us. I always thought well of the negroes, from the little which I have seen of them; and I have been delighted to have my vague impressions confirmed, and their character and mental powers so ably discussed. When you were here I did not know of the noble position which you had filled. I had formerly read about the black regiments, but failed to connect your name with your admirable undertaking. Although we enjoyed greatly your visit to Down, my wife and myself have over and over again regretted that we did not know about the black regiment, as we should have greatly liked to have heard a little about the South from your own lips."
"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."
"We are a wretched family, and ought to be exterminated. We slept here to rest our poor boy on his journey to Bournemouth, and my poor dear wife sickened with scarlet fever, and has had it pretty sharply, but is recovering well. There is no end of trouble in this weary world. (Owing to the illness from scarlet fever of one of his boys, he [Darwin] took a house at Bournemouth in the autumn. He wrote to Dr. Gray from Southampton)."
"With respect to the theological view of the question. This is always painful to me. I am bewildered. I had no intention to write atheistically. But I own that I cannot see as plainly as others do, and as I should wish to do, evidence of design and beneficence on all sides of us. There seems to me too much misery in the world. I cannot persuade myself that a beneficent and 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. Not believing this, I see no necessity in the belief that the eye was expressly designed. On the other hand, I cannot anyhow be contented to view this wonderful universe, and especially the nature of man, and to conclude that everything is the result of brute force. I am inclined to look at everything as resulting from designed laws, with the details, whether good or bad, left to the working out of what we may call chance. Not that this notion at all satisfies me. I feel most deeply that the whole subject is too profound for the human intellect. A dog might as well speculate on the mind of Newton. Let each man hope and believe what he can. Certainly I agree with you that my views are not at all necessarily atheistical."
"I am almost convinced (quite contrary to opinion I started with) that species are not (it is like confessing a murder) immutable."
"I hate a Barnacle as no man ever did before, not even a Sailor in a slow-sailing ship."
"Money and friendship bribe justice. Beauty is potent, but money is omnipotent."
"If wishes were butter-cakes, beggars might bite. If wishes were thrushes, beggars would eat birds. If wishes would bide, beggars would ride."
"As full as a piper's bag; as a tick."
"I do not know who first emphasized the need for a clear understanding of the sense in which the term species is to be applied. In the second half of the seventeenth century Ray shows some degree of concern on this matter. In the introduction to the Historia Plantarum, 1686, he discusses some of the difficulties and lays down the principle that varieties which can be produced from the seed of the same plant are to be regarded as belonging to one species, being, I believe, the first to suggest this definition."
"He speaks Bear-garden. That is, such rude and uncivil, or sordid and dirty language, as the rabble that frequent those sports, are wont to use."
"Prate us but prade; it's money buys land Money begets money."
"I cannot but look upon the strange Instinct of this noisome and troublesome Creature a Louse, of searching out foul and nasty Clothes to harbor and breed in, as an Effect of divine Providence, design'd to deter Men and Women from Sluttishness and Sordidness."
"The use of plants is all our life long of that universal importance and concern that we can neither live nor subsist with any decency and convenience, or be said, indeed, to live at all without them. Whatsoever food is necessary to sustain us, whatsoever conteibutes to delight and refresh us, is supplied and brought forth out of that plentiful and abundant store. And ah! how much more innocent, sweet, and healthful is a table covered with those than with all the reeking flesh of butchered and slaughtered animals. Certainly man by nature was never made to be a carnivorous animal, nor is he armed at all for prey and rapine, with jagged and pointed teeth and crooked claws sharpened to rend and tear, but with gentle hands to gather fruit and vegetables, and with teeth to chew and eat them."
"In a calm sea every man is a pilot."
"Like blood, like good, and like agen make the happiest marriage."
"Men, single and in couples, shuffling past them, answering no questions. Tin hats on back of heads, and no tin hats, tin hats with splinter-ragged sandbag-coverings; men without rifles, haggard, bloodshot-eyed, slouching past in loose file, slouching on anywhere, anyhow, staggering under rifles and equipment, some with jaws sagging, puttees coiled mud-balled around ankles, feet in shapeless mud boots, swelled beyond feeling, men slouching on beyond fatigue and hope, on and on and on. GS waggons with loads of sleeping bodies. Stretcher-bearers plodding desperate-faced. Men slavering and rolling their bare-teethed heads, slobbering and blowing, blasting brightness behind their eye-balls, supported by listless cripples."
"With the dried blood stiff on my temples I climbed the hill, cursing the satanic way of men, yet knowing myself vile, for they had not known what they were doing, but I betrayed an innocent; and the tears— weak, whiskey tears— would not wash from my brow the blood of a little brother."
"When we have done our best, we should wait the result in peace."
"Rest is not idleness, and to lie sometimes on the grass under the trees on a summer's day, listening to the murmur of water, or watching the clouds float across the blue sky, is by no means waste of time."
"Earth and Sky, Woods and Fields, Lakes and Rivers, the Mountain and the Sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books."
"There are three great questions which in life we have over and over again to answer. Is it right or wrong? Is it true or false? Is it beautiful or ugly? Our education ought to help us to answer these questions."
"We often hear of bad weather, but in reality no weather is bad. It is all delightful, though in different ways. Some weather may be bad for farmers or crops, but for man all kinds are good. Sunshine is delicious, rain is refreshing, wind braces us up, snow is exhilarating."