George Gaylord Simpson Quotes
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The fact -- not theory -- that evolution has occurred and the Darwinian theory as to how it occurred have become so confused in popular opinion that the distinction must be stressed.
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To put it crudely but graphically, the monkey who did not have a realistic perception of the tree branch he jumped for was soon a dead monkey-and therefore did not become one of our ancestors.
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Certainly paleontologists have found samples of an extremely small fraction, only, of the earth's extinct species, and even for groups that are most readily preserved and found as fossils they can never expect to find more than a fraction.
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Almost all paleontologists recognize that the discovery of a complete transition is in any case unlikely.
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It is inherent in any definition of science that statements that cannot be checked by observation are not really saying anything or at least they are not science.
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It remains true, as every paleontologist knows, that most new species, genera, and families, and that nearly all categories above the level of families, appear in the record suddenly and are not led up to by known, gradual completely continuous transitional sequences.
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If a sect does officially insist that its structure of belief demands that evolution be false, then no compromise is possible. An honest and competent biology teacher can only conclude that the sect's beliefs are wrong and that its religion is a false one.
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A rill in a barnyard and the Grand Canyon represent, in the main, stages of valley erosion that began some millions of years apart.
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The meaning that we are seeking in evolution is its meaning to us, to man. The ethics of evolution must be human ethics. It is one of the many unique qualities of man, the new sort of animal, that he is the only ethical animal. The ethical need and its fulfillment are also products of evolution, but they have been produced in man alone.
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I don't know where to put whales. I'm sticking them here, but I don't have any reason for it.
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Man is the result of a purposeless and materialistic process that did not have him in mind. He was not planned. He is a state of matter, a form of life, a sort of animal, and a species of the Order Primates, akin nearly or remotely to all of life and indeed to all that is material.
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The science of systematics has long been affected by profound philosophical preconceptions, which have been all the more influential for being usually covert, even subconscious.
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Man is the result of a purposeless and natural process that did not have him in mind
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Man has risen, not fallen. He can choose to develop his capacities as the highest animal and to try to rise still farther, or he can choose otherwise. The choice is his responsibility, and his alone. There is no automatism that will carry him upward without choice or effort and there is no trend solely in the right direction. Evolution has no purpose; man must supply this for himself. The means to gaining right ends involve both organic evolution and human evolution, but human choice as to what are the right ends must be based on human evolution.
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The opposition to teaching evolution is, of course, almost always given a religious reason. That may usually be its real basis, but I think it is often a mask, perhaps unconscious, for underlying anti-intellectualism or antiscientism.
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Most of the dogmatic religions have exhibited a perverse talent for taking the wrong side on the most important concepts in the material universe, from the structure of the solar system to the origin of man.
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It is obvious that the great majority of humans throughout history have had grossly, even ridiculously, unrealistic concepts of the world. Man is, among many other things, the mistaken animal, the foolish animal. Other species doubtless have much more limited ideas about the world, but what ideas they do have are much less likely to be wrong and are never foolish. White cats do not denigrate black, and dogs do not ask Baal, Jehovah, or other Semitic gods to perform miracles for them.
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Human judgment is notoriously fallible and perhaps seldom more so than in facile decisions that a character has no adaptive significance because we do not know the use of it.
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The earliest and most primitive known members of every order already have the basic ordinal characters, and in no case is an approximately continuous sequence from one order to another known. In most cases the break is so sharp and the gap so large that the origin of the order is speculative and much disputed.
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Man stands alone in the universe, a unique product of a long, unconscious, impersonal, material process with unique understanding and potentialities. These he owes to no one but himself, and it is to himself that he is responsible. He is not the creature of uncontrollable and undeterminable forces, but is his own master. He can and must decide and manage his own destiny.
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It is now firmly established that ontogeny does not repeat phylogeny
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The search for historical laws is, I maintain, mistaken in principle.
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Splitting and gradual divergence of genera is exemplified very well and in a large variety of organisms.
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I have a debt, a loyalty to the museum; the best place for me to do what I wanted to do.
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Species evolve exactly as if they were adapting as best they could to a changing world, and not at all as if they were moving toward a set goal.
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...the argument from absence of transitional types boils down to the striking fact that such types are always lacking unless they have been found.
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Recognition of this kinship with the rest of the universe is necessary for understanding him, but his essential nature is defined by qualities found nowhere else, not by those he has in common with apes, fishes, trees, fire, or anything other than himself.
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Related Authors
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John Maynard Smith Geneticist -
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Stephen Jay Gould Paleontologist -
Ronald Fisher Statistician -
Theodosius Dobzhansky Geneticist -
Alfred Russel Wallace Naturalist -
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Charles Darwin Naturalist -
Henry Fairfield Osborn Geologist -
Julian Huxley Film director -
Thomas Hunt Morgan Author -
E. O. Wilson Biologist -
David M. Raup Paleontologist -
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John B. S. Haldane Biologist