Speciation does not necessarily promote evolutionary change; rather, speciation 'gathers in' and guards evolutionary change by locking and stabilization for sufficient geological… — Stephen Jay Gould Copy Share Image
The basic formulation, or bare-bones mechanics, of natural selection is a disarmingly simple argument, based on three undeniable facts (overproduction of offspring,… — Stephen Jay Gould Copy Share Image
Natural selection is just three factors - over-production, variation, and inheritance combined to produce adaptation to changing local environments. It's not a… — Stephen Jay Gould Copy Share Image
Throughout his last half-dozen books, for example, Arthur Koestler has been conducting a campaign against his own misunderstanding of Darwinism. He hopes… — Stephen Jay Gould Copy Share Image
[T]ruly grand and powerful theories [...] do not and cannot rest upon single observations. Evolution is an inference from thousands of independent… — Stephen Jay Gould Copy Share Image
A complete theory of evolution must acknowledge a balance between "external" forces of environment imposing selection for local adaptation and "internal" forces… — Stephen Jay Gould Copy Share Image
If new species arise very rapidly in small, peripherally isolated local populations, then the great expectation of insensibly graded fossil sequences is… — Stephen Jay Gould Copy Share Image
Natural selection is a theory of local adaptation to changing environments. It proposes no perfecting principles, no guarantee of general improvement — Stephen Jay Gould Copy Share Image
Darwinian natural selection only yields adaptation to changing local environments, and better function in an immediate habitat might just as well be… — Stephen Jay Gould Copy Share Image
I strongly reject any conceptual scheme that places our options on a line, and holds that the only alternative to a pair of extreme… — Stephen Jay Gould Copy Share Image
History employs evolution to structure biological events in time. — Stephen Jay Gould Copy Share Image
In his anti-Darwinian book... (and eponymously named The Neck of the Giraffe ), Francis Hitching tells the story... "The need to survive by reaching… — Stephen Jay Gould Copy Share Image
... many folks take them seriously because they just 'know' that evolution can never be seen in the immediate here and now. In fact,… — Stephen Jay Gould Copy Share Image
Charles Darwin viewed the fossil record more as an embarrassment than as an aid to his theory ... — Stephen Jay Gould Copy Share Image
Zoocentrism is the primary fallacy of human sociobiology, for this view of human behavior rests on the argument that if the actions of "lower"… — Stephen Jay Gould Copy Share Image
The world, unfortunately, rarely matches our hopes and consistently refuses to behave in a reasonable manner. — Stephen Jay Gould Copy Share Image
The true beauty of nature is her amplitude; she exists neither for nor because of us, and possesses a staying power that all our… — Stephen Jay Gould Copy Share Image
With copious evidence ranging from Plato's haughtiness to Beethoven's tirades, we may conclude that the most brilliant people of history tend to be a… — Stephen Jay Gould Copy Share Image
When scientists need to explain difficult points of theory, illustration by hypothetical example - rather than by total abstraction - works well (perhaps indispensably)… — Stephen Jay Gould Copy Share Image
The truly awesome intellectuals in our history have not merely made discoveries; they have woven variegated, but firm, tapestries of comprehensive coverage. The tapestries… — Stephen Jay Gould Copy Share Image
I believe that we can still have a genre of scientific books suitable for and accessible alike to professionals and interested laypeople. The concepts… — Stephen Jay Gould Copy Share Image
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