Ernst Mayr Quotes

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• Every politician, clergyman, educator, or physician, in short, anyone dealing with human individuals, is bound to make grave mistakes if he ignores these two great truths of population zoology: (1) no two individuals are alike, and (2) both environment and genetic endowment make a contribution to nearly every trait.

  Ernst Mayr

  Mistake, Two, Physicians

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• Our understanding of the world is achieved more effectively by conceptual improvements than by discovery of new facts

  Ernst Mayr

  Discovery, Understanding, Society

  Ernst Mayr (1982). “The Growth of Biological Thought: Diversity, Evolution, and Inheritance”, p.23, Harvard University Press

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• Life is simply the reification of the process of living.

  Ernst Mayr

  Society, Life Is, Process

  "Plants: Diversity and Evolution". Book by Bill Eddie, p. 400, 2006.

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• Mathematics is as little a science as grammar is a language.

  Ernst Mayr

  Society, Littles, Language

  Ernst Mayr (1982). “The Growth of Biological Thought: Diversity, Evolution, and Inheritance”, p.41, Harvard University Press

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• All interpretations made by a scientist are hypotheses, and all hypotheses are tentative. They must forever be tested and they must be revised if found to be unsatisfactory. Hence, a change of mind in a scientist, and particularly in a great scientist, is not only not a sign of weakness but rather evidence for continuing attention to the respective problem and an ability to test the hypothesis again and again.

  Ernst Mayr

  Science, Forever, Mind

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• Evolution as such is no longer a theory for a modern author. It is as much a fact as that the earth revolves around the sun.

  Ernst Mayr

  Atheism, Society, Earth

  Ernst Mayr (2007). “What Makes Biology Unique?: Considerations on the Autonomy of a Scientific Discipline”, p.100, Cambridge University Press

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• most scientific problems are far better understood by studying their history than their logic.

  Ernst Mayr

  Society, Logic, Study

  Ernst Mayr (1982). “The Growth of Biological Thought: Diversity, Evolution, and Inheritance”, p.6, Harvard University Press

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• On the other hand, famous evolutionists such as Dobzhansky were firm believers in a personal God. He would work as a scientist all week and then on Sunday get down on his knees and pray to God. Frankly I've never been able to understand it because you would need two totally different compartments in your brain, one that deals with religion and the other with everything else.

  Ernst Mayr

  Sunday, Hands, Two

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• The history of science knows scores of instances where an investigator was in the possession of all the important facts for a new theory but simply failed to ask the right questions.

  Ernst Mayr

  Important, Facts, Theory

  Ernst Mayr (1982). “The Growth of Biological Thought: Diversity, Evolution, and Inheritance”, p.29, Harvard University Press

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• I have the honesty to say I'm an Atheist. There is nothing that supports the idea of a personal God.

  Ernst Mayr

  Atheist, Honesty, Ideas

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• On Earth, among millions of lineages or organisms and perhaps 50 billion speciation events, only one led to high intelligence ; this makes me believe its utter improbablity.

  Ernst Mayr

  Believe, Events, Earth

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• A species is a reproductive community of populations reproductively isolated from others that occupies a specific niche in nature.

  Ernst Mayr

  Nature, Science, Community

  Ernst Mayr (1982). “The Growth of Biological Thought: Diversity, Evolution, and Inheritance”, p.273, Harvard University Press

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• Evolution ... is opportunistic, hence unpredictable.

  Ernst Mayr

  Religion, Atheism, Evolution

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• There is more to biology than rats, Drosophila, Caenorhabditis, and E. coli.

  Ernst Mayr

  Rats, Biology

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• The major novelty of my theory was its claim that the most rapid evolutionary change does not occur in widespread, populous species, as claimed by Most geneticists, but in small founder populations.

  Ernst Mayr

  Population, Doe, Novelty

  Ernst Mayr (1988). “Toward a New Philosophy of Biology: Observations of an Evolutionist”, Harvard University Press

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• Scientific progress consists in the development of new concepts.

  Ernst Mayr

  Progress, Society, Development

  Ernst Mayr (1982). “The Growth of Biological Thought: Diversity, Evolution, and Inheritance”, p.43, Harvard University Press

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• Evolution, thus, is merely contingent on certain processes articulated by Darwin: variation and selection. No longer is a fixed object transformed, as in transformational evolution, but an entirely new start is, so to speak, made in every generation.

  Ernst Mayr

  Generations, Variation, New Start

  "Toward a new philosophy of biology: observations of an evolutionist". Book by Ernst Mayr, p. 457, 1988.

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• I feel that one species, mankind, doesn't have the right to exterminate

  Ernst Mayr

  Mankind, Feels, Species

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• According to the concept of transformational evolution, first clearly articulated by Lamarck, evolution consists of the gradual transformation of organisms from one condition of existence to another.

  Ernst Mayr

  Firsts, Evolution, Transformation

  "The Dynamics of Evolution: The Punctuated Equilibrium Debate in the Natural and Social Sciences". Book by Albert Somit and Steven Peterson, p. 21-48, "Speciational Evolution or Punctuated Equilibria", 1992.

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• The most consequential change in man's view of the world, of living nature and of himself came with the introduction, over a period of some 100 years beginning only in the 18th century, of the idea of change itself, of change over periods of time: in a word, of evolution.

  Ernst Mayr

  Nature, Science, Men

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• Paleontologists had long been aware of a seeming contradiction between Darwin's postulate of gradualism, confirmed by the work of population genetics, and the actual findings of paleontology. Following phyletic lines through time seemed to reveal only minimal gradual changes but no clear evidence for any change of a species into a different genus or for the gradual origin of an evolutionary novelty. Anything truly novel always seemed to appear quite abruptly in the fossil record.

  Ernst Mayr

  Long, Population, Different

  Ernst Mayr (1991). “One Long Argument: Charles Darwin and the Genesis of Modern Evolutionary Thought”, p.138, Harvard University Press

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• A species consists of a group of populations which replace each other geographically or ecologically and of which the neighboring ones integrate or hybridise wherever they are in contact or which are potentially capable of doing so (with one or more of the populations) in those cases where contact is prevented by geographical or ecological barriers.

  Ernst Mayr

  Science, Groups, Population

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• The issue, as correctly emphasized by Carl Sagan, is the probability of the evolution of high intelligence and an electronic civilization on an inhabited world. Once we have life (and almost surely it will be very different from life on Earth), what is the probability of its developing a lineage with high intelligence? On Earth, among millions of lineages of organisms and perhaps 50 billion speciation events, only one led to high intelligence; this makes me believe in its utter improbability.

  Ernst Mayr

  Believe, Civilization, Issues

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• New gene pools are generated in every generation, and evolution takes place because the successful individuals produced by these gene pools give rise to the next generation.

  Ernst Mayr

  Successful, Glowing, Giving

  Ernst Mayr (1988). “Toward a New Philosophy of Biology: Observations of an Evolutionist”, p.457, Harvard University Press

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• Wherever we look at the living biota … discontinuities are overwhelmingly frequent…The discontinuities are even more striking in the fossil record. New species usually appear in the fossil record suddenly, not connected with their ancestors by a series of intermediates.

  Ernst Mayr

  Looks, Records, Fossils

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