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Frases de Stephen Jay Gould
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Stephen Jay Gould fue un paleontólogo estadounidense, geólogo, biólogo evolutivo, historiador de la ciencia y uno de los más influyentes y leídos divulgadores científicos de su generación.[1]​

Gould pasó la mayor parte de su carrera docente en la Universidad de Harvard y trabajando en el Museo Americano de Historia Natural de Nueva York. En los últimos años de su vida, impartió clases de biología y evolución en la Universidad de Nueva York, cercana a su residencia en el SoHo.

La mayor contribución de Gould a la ciencia fue la teoría del equilibrio puntuado que desarrolló con Niles Eldredge en 1972.[2]​ La teoría propone que la mayoría de los procesos evolutivos están compuestos por largos períodos de estabilidad, interrumpidos por episodios cortos y poco frecuentes de bifurcación evolutiva. La teoría contrasta con el gradualismo filogenético, la idea generalizada de que el cambio evolutivo se caracteriza por un patrón homogéneo y continuo.

La mayor parte de la investigación empírica de Gould se basó en los géneros de caracoles terrestres Poecilozonites y Cerion y además contribuyó a la biología evolutiva del desarrollo. En su teoría evolutiva se opuso al seleccionismo estricto, la sociobiología aplicada a seres humanos y la psicología evolucionista. Hizo campaña contra el creacionismo y propuso que la ciencia y la religión sean considerados dos ámbitos distintos, o «magisterios», cuyas autoridades no se superponen .[3]​

Muchos de los ensayos de Gould para la revista Natural History fueron reimpresos en libros entre los que sobresalen Desde Darwin y El pulgar del panda. Sus tratados más populares incluyen libros como La falsa medida del hombre, La vida maravillosa y La grandeza de la vida. Poco tiempo antes de su muerte, Gould publicó un largo tratado recapitulando su versión de la teoría evolutiva moderna llamado La estructura de la teoría de la evolución . Wikipedia  

✵ 10. septiembre 1941 – 20. mayo 2002
Stephen Jay Gould: 282   frases 10   Me gusta

Frases célebres de Stephen Jay Gould

“Puede que cantidades considerables de cambios genéticos no estén sujetos a la selección natural y puede que se esparzan aleatoriamente [al azar] por las poblaciones.”

Stephen Jay Gould

“La vida es un arbusto de abundante ramificación, continuamente podado por el inexorable ángel de la muerte de la extinción, no una predecible escalera de progreso.”

Stephen Jay Gould libro La vida maravillosa

Fuente: Stephen Jay Gould: Wonderful Life (1989), 35.

“[En historia natural, ] un gran descubrimiento a menudo requiere un mapa hacia una mina llena de tesoros ocultos entonces fácilmente recogidos con las herramientas convencionales, no una nueva y brillante máquina de la era espacial para penetrar en los mundos que antes eran inaccesibles.”

Stephen Jay Gould libro The Lying Stones of Marrakech

Fuente: Stephen Jay Gould: The Lying Stones of Marrakech (2001). "Of Embryos and Ancestors", p. 318

“Un hombre no alcanza el estatus de Galileo simplemente porque sea perseguido, sino que también debe tener la razón.”

Stephen Jay Gould libro Ever Since Darwin

Fuente: Stephen Jay Gould: Ever Since Darwin: Reflections in Natural History (1977, 1992), 154.

“El hecho de la evolución está tan bien establecido como cualquier otro en la ciencia (tan seguro como la traslación de la Tierra alrededor del Sol).”

Stephen Jay Gould

Fuente: Réplica de Stephen Jay Gould, en la Universidad de Harvard, al artículo de Irving Kristol en The New York Times el 30 de septiembre de 1986; fue publicada en el número de enero de 1987 de la revista de divulgación científica Discover.

“Bien, la evolución es una teoría. También es un hecho. Y hechos y teorías son cosas diferentes, no peldaños en una jerarquía de certeza creciente. Los hechos son los datos del mundo. Las teorías son estructuras de ideas que explican e interpretan los hechos. Los hechos no se marchan cuando los científicos debaten teorías rivales para explicarlos. La teoría de gravitación de Einstein reemplazó a la de Newton en este siglo, pero las manzanas no se quedaron suspendidas en el aire esperando el resultado. Y los humanos evolucionaron de ancestros tipo monos ya sea que lo hicieron mediante el mecanismo propuesto por Darwin o por algún otro no descubierto aún.”

Stephen Jay Gould

Fuente: Réplica de Stephen Jay Gould, en la Universidad de Harvard, al artículo de Irving Kristol en The New York Times el 30 de septiembre de 1986; fue publicada en el número de enero de 1987 de la revista de divulgación científica Discover.

“El razonamiento es la simplicidad misma una vez se establece la actitud mental necesaria para permitirlo.”

Stephen Jay Gould libro Dientes de gallina y dedos de caballo

Fuente: Stephen Jay Gould: "Hen's Teeth and Horse's Toes" (1983)

Stephen Jay Gould: Frases en inglés

“Henry Fairfield Osborn, the dominant paleontologist of his era, and long time director of the American Museum of Natural History, gave the "standard version in his popular book of 1918, The Origin and Evolution of Life… "Lamarck attributed the lengthening of the [giraffe's] neck to the inheritance of bodily modifications caused by the neck-stretching habit. Darwin attributed the lengthening of the neck to the constant selection of individuals and races which were born with the longest necks. Darwin was probably right."”

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Stephen Jay Gould libro Leonardo's Mountain of Clams and the Diet of Worms

…The version has held ever since.
"The Tallest Tale", p. 314
Leonardo's Mountain of Clams and the Diet of Worms (1998)

“Mythology is wondrous, a balm for the soul. But its problems cannot be ignored. At worst, it buys inspiration at the price of physical impossibility […]. At best, it purveys the same myopic view of history that made this most fascinating subject so boring and misleading in grade school as a sequential take of monarchs and battles.”

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Stephen Jay Gould

"Baseball and the Two Faces of Janus", p. 259; originally published as "The Virtues of Nakedness" in The New York Review of Books (1990-10-11)
Triumph and Tragedy in Mudville (2003)

“Why, then, have we been bamboozled into accepting the usual tale without questioning? I suspect two primary reasons: we love a sensible and satisfying story, and we are disinclined to challenge apparent authority (like textbooks!). But do remember that most satisfying tales are false.”

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Stephen Jay Gould libro Leonardo's Mountain of Clams and the Diet of Worms

"The Tallest Tale", p. 318
Leonardo's Mountain of Clams and the Diet of Worms (1998)

“Most impediments to scientific understanding are conceptual locks, not factual lacks. Most difficult to dislodge are those biases that escape our scrutiny because they seem so obviously, even ineluctably, just. We know ourselves best and tend to view other creatures as mirrors of our own constitution and social arrangements. (Aristotle, and nearly two millennia of successors, designated the large bee that leads the swarm as a king.)”

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Stephen Jay Gould

"Glow, Big Glowworm", p. 256
Bully for Brontosaurus (1991)

“Our indirect methods have taught us a mountain of things about horses, but if you wished to learn even more, would you rather be Whirlaway in the stretch, than interview Eddie Arcaro afterwards?”

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Stephen Jay Gould libro Leonardo's Mountain of Clams and the Diet of Worms

"Can We Truly Know Sloth and Rapacity?"
Leonardo's Mountain of Clams and the Diet of Worms (1998)

“Each worldview was a cultural product, but evolution is true and separate creation is not. […] Worldviews are social constructions, and they channel the search for facts. But facts are found and knowledge progresses, however fitfully. Fact and theory are intertwined, and all great scientists understand the interaction.”

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Stephen Jay Gould libro Eight Little Piggies

"Shields of Expectation—and Actuality", p. 425
Eight Little Piggies (1993)

“I do not claim that intelligence, however defined, has no genetic basis—I regard it as trivially true, uninteresting, and unimportant that it does. The expression of any trait represents a complex interaction of heredity and environment. [… A] specific claim purporting to demonstrate a mean genetic deficiency in the intelligence of American blacks rests upon no new facts whatever and can cite no valid data in its support. It is just as likely that blacks have a genetic advantage over whites. And, either way, it doesn't matter a damn. An individual can't be judged by his group mean.”

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Stephen Jay Gould libro Ever Since Darwin

"Racist Arguments and IQ", pp. 246–47
Ever Since Darwin (1977)

“Natural historians tend to avoid tendentious preaching in this philosophical mode (although I often fall victim to such temptations in these essays). Our favored style of doubting is empirical: if I wish to question your proposed generality, I will search for a counterexample in flesh and blood. Such counterexamples exist in abundance, for they form a staple in a standard genre of writing in natural history — the “wonderment of oddity” or “strange ways of the beaver” tradition.”

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Stephen Jay Gould libro Leonardo's Mountain of Clams and the Diet of Worms

"Reversing Established Orders", p. 394
Leonardo's Mountain of Clams and the Diet of Worms (1998)

“The vigorous branching of life's tree, and not the accumulating valor of mythical marches to progress, lies behind the persistence and expansion of organic diversity in our tough and constantly stressful world. And if we do not grasp the fundamental nature of branching as the key to life's passage across the geological stage, we will never understand evolution aright.”

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Stephen Jay Gould libro I Have Landed

"Tales of a Feathered Tail", p. 331
I Have Landed (2002)

“Darwin grasped the philosophical bleakness with his characteristic courage. He argued that hope and morality cannot, and should not, be passively read in the construction of nature. Aesthetic and moral truths, as human concepts, must be shaped in human terms, not “discovered” in nature. We must formulate these answers for ourselves and then approach nature as a partner who can answer other kinds of questions for us—questions about the factual state of the universe, not about the meaning of human life. If we grant nature the independence of her own domain—her answers unframed in human terms—then we can grasp her exquisite beauty in a free and humble way. For then we become liberated to approach nature without the burden of an inappropriate and impossible quest for moral messages to assuage our hopes and fears. We can pay our proper respect to nature's independence and read her own ways as beauty or inspiration in our different terms.”

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Stephen Jay Gould libro I Have Landed

"Art Meets Science in The Heart of the Andes", p. 109
I Have Landed (2002)

“For Linnaeus, Homo sapiens was both special and not special. […] Special and not special have come to mean nonbiological and biological, or nurture and nature. These later polarizations are nonsensical. Humans are animals and everything we do lies within our biological potential. […] [T]he statement that humans are animals does not imply that our specific patterns of behavior and social arrangements are in any way directly determined by our genes. Potentiality and determination are different concepts.”

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Stephen Jay Gould libro Ever Since Darwin

"Biological Potentiality vs. Biological Determinism", p. 251
Ever Since Darwin (1977)

“If I choose to impose individual blame for all past social ills, there will be no one left to like in some of the most fascinating periods of our history. For example […] if I place every Victorian anti-Semite beyond the pale of my attention, my compass of available music and literature will be pitifully small. Though I hold no shred of sympathy for active persecution, I cannot excoriate individuals who acquiesced passively in a standard societal judgment. Rail instead against the judgment, and try to understand what motivates men of decent will.”

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Stephen Jay Gould libro Eight Little Piggies

"The Moral State of Tahiti—and of Darwin", p. 269
Eight Little Piggies (1993)

“[M]isunderstanding of probability may be the greatest of all general impediments to scientific literacy.”

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Stephen Jay Gould libro Dinosaur in a Haystack

"Happy Thoughts on a Sunny Day in New York City", p. 9
Dinosaur in a Haystack (1995)

“When Bonner writes that “natural selection for optimal feeding is then presumed to be the cause of non-motility in all forms,” I can't help suspecting that some plants might do even better if they could walk from shade to sun—but the inherited constraints of design never permitted a trial of this intriguing option.”

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Stephen Jay Gould libro An Urchin in the Storm

"The Ghost of Protagoras", p. 67
An Urchin in the Storm (1987)

“Bacteria represent the world's greatest success story. They are today and have always been the modal organisms on earth; they cannot be nuked to oblivion and will outlive us all. This time is their time, not the “age of mammals” as our textbooks chauvinistically proclaim. But their price for such success is permanent relegation to a microworld, and they cannot know the joy and pain of consciousness. We live in a universe of trade-offs; complexity and persistence do not work well as partners.”

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Stephen Jay Gould libro Eight Little Piggies

"An Earful of Jaw", p. 98
Eight Little Piggies (1993)

“Lernaeodiscus porcellanae turns control of the host into a fine art. After castration by the parasite, male crabs develop female characteristics in both anatomy and behavior, while females become even more feminized. The emerging externa then takes the same form and position as the crab's own egg mass… The crabs then treat the externa as their own brood. In other words, the parasite usurps all the complex care normally invested in the crab's own progeny.”

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Stephen Jay Gould libro Leonardo's Mountain of Clams and the Diet of Worms

Triumph of the Root-Heads, p. 368
Leonardo's Mountain of Clams and the Diet of Worms (1998)

“Gaskell… had to keep his stately soldiers upright and uniformly oriented… by crafting the brain and spinal cord from an arthropod digestive tube, while forming a completely new gut below. …Gaskell thought that his move would rescue the theory of linear progress, with its necessary transition of arthropod into vertebrate, from the absurdities of the old inversion theory.”

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Stephen Jay Gould libro Leonardo's Mountain of Clams and the Diet of Worms

"Brotherhood by Inversion", p. 327
Leonardo's Mountain of Clams and the Diet of Worms (1998)

“And yet I think that the Full House model does teach us to treasure variety for its own sake—for tough reasons of evolutionary theory and nature's ontology, and not from a lamentable failure of thought that accepts all beliefs on the absurd rationale that disagreement must imply disrespect. Excellence is a range of differences, not a spot. Each location on the range can be occupied by an excellent or an inadequate representative—and we must struggle for excellence at each of these varied locations. In a society driven, often unconsciously, to impose a uniform mediocrity upon a former richness of excellence—where McDonald's drives out the local diner, and the mega-Stop & Shop eliminates the corner Mom and Pop—an understanding and defense of full ranges as natural reality might help to stem the tide and preserve the rich raw material of any evolving system: variation itself.”

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Stephen Jay Gould

Fuente: Full House (1996), p. 230

“[G]enes make enzymes, and enzymes control the rates of chemical processes. Genes do not make “novelty seeking” or any other complex and overt behavior. Predisposition via a long chain of complex chemical reactions, mediated through a more complex series of life's circumstances, does not equal identification or even causation.”

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Stephen Jay Gould libro The Lying Stones of Marrakech

"The Internal Brand of the Scarlet W", p. 282
The Lying Stones of Marrakech (2001)

“We can now determine, easily and relatively cheaply, the detailed chemical architecture of genes; and we can trace the products of these genes (enzymes and proteins) as they influence the course of embryology. In so doing we have made the astounding discovery that all complex animal phyla - arthropods and vertebrates in particular - have retained, despite their half-billion years of evolutionary independence, an extensive set of common genetic blueprints for building bodies.”

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Stephen Jay Gould libro Leonardo's Mountain of Clams and the Diet of Worms

"Brotherhood by Inversion", p. 330
Leonardo's Mountain of Clams and the Diet of Worms (1998)

“Biological evolution is a system of constant divergence without subsequent joining of branches. Lineages, once distinct, are separate forever. In human history, transmission across lineages is, perhaps, the major source of cultural change. Europeans learned about corn and potatoes from Native Americans and gave them smallpox in return.”

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Stephen Jay Gould

"The Panda's Thumb of Technology", p. 65
Bully for Brontosaurus (1991)

“My visceral perception of brotherhood harmonizes with our best modern biological knowledge. […] Many people think (or fear) that equality of human races represents a hope of liberal sentimentality probably squashed by the hard realities of history. They are wrong. This essay can be summarized in a single phrase, a motto if you will: Human equality is a contingent fact of history. Equality is not true by definition; it is neither an ethical principle (though equal treatment may be) nor a statement about norms of social action. It just worked out that way. A hundred different and plausible scenarios for human history would have yielded other results (and moral dilemmas of enormous magnitude). They didn't happen.”

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Stephen Jay Gould libro The Flamingo's Smile

"Human Equality Is a Contingent Fact of History", p. 186
The Flamingo's Smile (1985)

“[W]hat intellectual phenomenon can be older, or more oft repeated, than the story of a large research program that impaled itself upon a false central assumption accepted by all practitioners? Do we regard all people who worked within such traditions as dishonorable fools? What of the scientists who assumed that the continents were stable, that the hereditary material was protein, or that all other galaxies lay within the Milky Way? These false and abandoned efforts were pursued with passion by brilliant and honorable scientists. How many current efforts, now commanding millions of research dollars and the full attention of many of our best scientists, will later be exposed as full failures based on false premises?”

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Stephen Jay Gould libro Eight Little Piggies

"Fall in the House of Ussher", p. 187
Eight Little Piggies (1993)

“The contingency of history (both for life in general and for the cultures of Homo sapiens) and human free will (in the factual rather than theological sense) are conjoined concepts, and no better evidence can be produced than the “experimental” production of markedly different solutions in identical environments.”

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Stephen Jay Gould libro Eight Little Piggies

"Unenchanted Evening", p. 29
Eight Little Piggies (1993)

“Eternal vigilance, as they say, is the price of freedom. Add intellectual integrity to the cost basis.”

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Stephen Jay Gould libro Leonardo's Mountain of Clams and the Diet of Worms

"The Tallest Tale", p. 315
Leonardo's Mountain of Clams and the Diet of Worms (1998)

“Yet I also appreciate that we cannot win this battle to save species and environments without forging an emotional bond between ourselves and nature as well—for we will not fight to save what we do not love (but only appreciate in some abstract sense). So let them all continue—the films, the books, the television programs, the zoos, the little half acre of ecological preserve in any community, the primary school lessons, the museum demonstrations, even […] the 6:00 A. M. bird walks. Let them continue and expand because we must have visceral contact in order to love. We really must make room for nature in our hearts.”

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Stephen Jay Gould libro Eight Little Piggies

"Unenchanted Evening", p. 40
Eight Little Piggies (1993)

“If we choose a weak and foolish speculation as a primary textbook illustration (falsely assuming that the tale possesses a weight of history and a sanction of evidence), then we are in for trouble - as critics properly nail the particular weakness, and then assume that the whole theory must be in danger if supporters choose such a fatuous case as a primary illustration.”

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Stephen Jay Gould libro Leonardo's Mountain of Clams and the Diet of Worms

"The Tallest Tale", p. 314
Leonardo's Mountain of Clams and the Diet of Worms (1998)

“Very little comes easily to our poor, benighted species (the first creature, after all, to experiment with the novel evolutionary inventions of self-conscious philosophy and art). Even the most “obvious,” “accurate,” and “natural” style of thinking or drawing must be regulated by history and won by struggle. Solutions must therefore arise within a social context and record the complex interactions of mind and environment that define the possibility of human improvement.”

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Stephen Jay Gould libro Leonardo's Mountain of Clams and the Diet of Worms

"Seeing Eye to Eye, Through a Glass Clearly", p. 72
Leonardo's Mountain of Clams and the Diet of Worms (1998)

“Arthropods and vertebrates share some broad features of general organization - elongated, bilaterally symmetrical bodies, with sensory organs up front, excretory structures in the back, and some form of segmentation along the major axis. But the geometry of major internal organs could hardly be more different… Arthropods concentrate their nervous system on their ventral (belly) side as two major cords running along the bottom surface of the animal. The mouth also opens on the ventral side, with the esophagus passing between the two nerve cords, and the stomach and remainder of the digestive tube running along the body above the nerve cords. In vertebrates, and with maximal contrast, the central nervous system runs along the dorsal (top) surface as a single tube culminating in a bulbous brain at the front end. The entire digestive system then runs along the body axis below the nerve cord.”

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Stephen Jay Gould libro Leonardo's Mountain of Clams and the Diet of Worms

"Brotherhood by Inversion", p. 321
Leonardo's Mountain of Clams and the Diet of Worms (1998)

“So why fret and care that the actual version of the destined deed was done by an upper class English gentleman who had circumnavigated the globe as a vigorous youth, lost his dearest daughter and his waning faith at the same time, wrote the greatest treatise ever composed on the taxonomy of barnacles, and eventually grew a white beard, lived as a country squire just south of London, and never again traveled far enough even to cross the English Channel? We care for the same reason that we love okapis, delight in the fossil evidence of trilobites, and mourn the passage of the dodo. We care because the broad events that had to happen, happened to happen in a certain particular way. And something unspeakably holy—I don't know how else to say this—underlies our discovery and confirmation of the actual details that made our world and also, in realms of contingency, assured the minutiae of its construction in the manner we know, and not in any one of a trillion other ways, nearly all of which would not have included the evolution of a scribe to record the beauty, the cruelty, the fascination, and the mystery.”

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Stephen Jay Gould libro The Structure of Evolutionary Theory

Fuente: The Structure of Evolutionary Theory (2002), p. 1342

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