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1 " That natural selection can produce changes within a type is disputed by no one, not even the staunchest creationist. But that it can transform one species into another — that, in fact, has never been observed. "
― Robert J. Sawyer , Calculating God
2 " Throughout 150 years of the science of bacteriology, there is no evidence that one species of bacteria has changed into another... Since there is no evidence for species changes between the simplest forms of unicellular life, it is not surprising that there is no evidence for evolution from prokaryotic [i.e., bacterial] to eukaryotic [i.e., plant and animal] cells, let alone throughout the whole array of higher multicellular organisms. "
― Alan H. Linton
3 " This is a world where things move at their own pace, including a tiny lift Fortey and I shared with a scholarly looking elderly man with whom Fortey chatted genially and familiarly as we proceeded upwards at about the rate that sediments are laid down.When the man departed, Fortey said to me: " That was a very nice chap named Norman who's spent forty-two years studying one species of plant, St. John's wort. He retired in 1989, but he still comes in every week." " How do you spend forty-two years on one species of plant?" I asked." It's remarkable, isn't it?" Fortey agreed. He thought for a moment. " He's very thorough apparently." The lift door opened to reveal a bricked over opening. Fortey looked confounded. " That's very strange," he said. " That used to be Botany back there." He punched a button for another floor, and we found our way at length to Botany by means of back staircases and discreet trespass through yet more departments where investigators toiled lovingly over once-living objects. "
4 " ...no matter how rhapsodic one waxes about the process of wresting edible plants and tamed animals from the sprawling vagaries of nature, there's a timeless, unwavering truth espoused by those who worked the land for ages: no matter how responsible agriculture is, it is essentially about achieving the lesser of evils. To work the land is to change the land, to shape it to benefit one species over another, and thus necessarily to tame what is wild. Our task should be to deliver our blows gently. "
― James McWilliams
5 " Trees live in symbiosis with hyphae (fungus/mold roots). A tea spoon of dirt contains kilometers of these roots. One species can spread throughout entire forests over centuries. They exchange nutrients with trees, along with information about insects, drought and other dangers. It's like a 'wood wide web'. "
― Peter Wohlleben
6 " Do not focus too much on the east and forget the west. And do not ignore the south, to speak for the north. What happens in the east has effects in the north, as the west has in the south. And do not focus on one species and ignore the other. Or love your father but ignore your mother, or love your sister but ignore your brother. Do not forget each other. We are all part of each other. We are all one. "
7 " We are one species out of a billion "
8 " The question that will decide our destiny is not whether we shall expand into space. It is: shall we be one species or a million? A million species will not exhaust the ecological niches that are awaiting the arrival of intelligence. "
― Freeman Dyson
9 " One species on the planet, and one species only, has reached the point of being able to have an impact on the evolutionary fortunes of all other species and upon the functioning of all ecosystems. We also have, in a way that is not true for any other species, a relationship to the planet as a whole and to the future. We live with all life. "
10 " Error regarding life necessary to life. - Every belief in the value and dignity of life rests on false thinking; it is possible only through the fact that empathy with the universal life and suffering of mankind is very feebly developed in the individual. Even those rarer men who think beyond themselves at all have an eye, not for this universal life, but for fenced-off portions of it. If one knows how to keep the exceptions principally in view, I mean the greatly gifted and pure of soul, takes their production for the goal of world-evolution and rejoices in the effects they in turn produce, one may believe in the value of life, because the one is overlooking all other men: thinking falsely, that is to say. And likewise if, though one does keep in view all mankind, one accords validity only to one species of drives, the less egoistical, and justifies them in face of all the others, then again one can hope for something of mankind as a whole and to this extent believe in the value of life: thus, in this case too, through falsity of thinking. Whichever of these attitudes one adopts, however, one is by adopting in an exception among men. The great majority endure life without complaining overmuch; they believe in the value of existence, but they do so precisely because each of them exists for himself alone, refusing to step out of himself as those exceptions do: everything outside themselves they notice not at all or at most as a dim shadow. Thus for the ordinary, everyday man the value of life rests solely on the fact that regards himself more highly than he does the world. The great lack of imagination from which he suffers means he is unable to feel his way into other beings and thus he participates as little as possible in their fortunes and sufferings. He, on the other hand, who really could participate in them would have to despair of the value of life; if he succeeded in encompassing and feeling within himself the total consciousness of mankind he would collapse with a curse on existence - for mankind has as a whole no goal, and the individual man when he regards its total course cannot derive from it any support or comfort, but must be reduced to despair. If in all he does he has before him the ultimate goallessness of man, his actions acquire in his own eyes the character of useless squandering. But to feel thus squandered, not merely as an individual fruits but as humanity as a whole, in the way we behold the individual fruits of nature squandered, is a feeling beyond all other feelings. - But who is capable of such a feeling? Certainly only a poet: and poets always know how to console themselves. "
― Friedrich Nietzsche , Human, All Too Human: A Book for Free Spirits
11 " Stalin’s teachings about gradual, concealed, unnoticeable quantitative changes leading to rapid, radical, qualitative changes permitted Soviet biologists to discover in plants the realization of such qualitative transitions that one species could be transformed into another’… The slide away from truth-directed science had disastrous results in agriculture. It was also humanly disastrous. Biologists who disagreed were shot or imprisoned. "
― Jonathan Glover , Humanity: A Moral History of the Twentieth Century