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Advocates for a single line of progress encounter their greatest stumbling block when they try to find a smooth link between the apparently disparate designs of the invertebrates and vertebrates.

Stephen Jay Gould

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Stephen Jay Gould
Age: 60 †
Born: 1941
Born: September 10
Died: 2002
Died: May 20
Evolutionary Biologist
Historian
Paleontologist
Pathologist
Philosopher
University Teacher
Voice Actor
Writer
Queens
New York
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Stumbling
Design
Link
Single
Encounter
Progress
Apparently
Invertebrates
Greatest
Links
Vertebrates
Lines
Smooth
Disparate
Find
Encounters
Advocates
Trying
Block
Designs

More quotes by Stephen Jay Gould

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The median isn't the message.
Stephen Jay Gould
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Acquired characteristics are inherited in technology and culture. Lamarckian evolution is rapid and accumulative. It explains the cardinal difference between our past, purely biological mode of change, and our current, maddening acceleration toward something new and liberating- or toward the abyss.
Stephen Jay Gould
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In science, 'fact' can only mean 'confirmed to such a degree that it would be perverse to withhold provisional assent.' I suppose that apples might start to rise tomorrow, but the possibility does not merit equal time in physics classrooms.
Stephen Jay Gould
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What's important is that all human knowledge be made available to all intelligent people who want to learn it.
Stephen Jay Gould
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Most books, after all, are ephemeral their specifics, several years later, inspire about as much interest as daily battle reports from the Hundred Years' War.
Stephen Jay Gould
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Honorable errors do not count as failures in science, but as seeds for progress in the quintessential activity of correction.
Stephen Jay Gould
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The modern theory of evolution does not require gradual change. It in fact, the operation of Darwinian processes should yield exactly what we see in the fossil record. It is gradualism that we must reject, not Darwinism.
Stephen Jay Gould
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All organisms vary, and it's just folk knowledge. You just have to look around a room of people, and everybody knows that it's true. Darwin didn't know the mechanism of heredity, but you don't have to. You just need to know the fact of it.
Stephen Jay Gould
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The most important scientific revolutions all include, as their only common feature, the dethronement of human arrogance from one pedestal after another of previous convictions about our centrality in the cosmos.
Stephen Jay Gould
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Humans are not the end result of predictable evolutionary progress, but rather a fortuitous cosmic afterthought, a tiny little twig on the enormously arborescent bush of life, which if replanted from seed, would almost surely not grow this twig again.
Stephen Jay Gould
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In our struggle to understand the history of life, we must learn where to place the boundary between contingent and unpredictable events that occur but once and the more repeatable, lawlike phenomenon that may pervade life's history as generalities.
Stephen Jay Gould
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I love the wry motto of the Paleontological Society, meant both literally and figuratively, for hammers are the main tool of our trade: Frango ut patefaciam - I break in order to reveal.
Stephen Jay Gould
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The equation of evolution with progress represents our strongest cultural impediment to a proper understanding of this greatest biological revolution in the history of human thought.
Stephen Jay Gould
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I picture several reviewers of my own books as passing a long future lodged between Brutus and Judas in the jaws of Satan.
Stephen Jay Gould
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But we all recognise the primary foible of frail humanity - our propensity for embracing hope and shunning logic, our tendency to believe what we desire rather than what we observe.
Stephen Jay Gould
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The telephone is the greatest single enemy of scholarship for what our intellectual forebears used to inscribe in ink now goes once over a wire into permanent oblivion.
Stephen Jay Gould
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The only universal attribute of scientific statements resides in their potential fallibility. If a claim cannot be disproven, it does not belong to the enterprise of science.
Stephen Jay Gould
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All interesting issues in natural history are questions of relative frequency, not single examples. Everything happens once amidst the richness of nature. But when an unanticipated phenomenon occurs again and again—finally turning into an expectation—then theories are overturned.
Stephen Jay Gould
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Can I pay any higher tribute to a man [George Gaylord Simpson] than to state that his work both established a profession and sowed the seeds for its own revision? If Simpson had reached final truth, he either would have been a priest or would have chosen a dull profession. The history of life cannot be a dull profession.
Stephen Jay Gould
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I dreamed of becoming a scientist, in general, and a paleontologist, in particular, ever since the Tyrannosaurus skeleton awed and scared me.
Stephen Jay Gould