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Humanity is part of nature, a species that evolved among other species. The more closely we identify ourselves with the rest of life, the more quickly we will be able to discover the sources of human sensibility and acquire the knowledge on which an enduring ethic, a sense of preferred direction, can be built.
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Of course, there is no reconciliation between the theory of evolution by natural selection and the traditional religious view of the origin of the human mind.
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God remains a viable hypothesis as the prime mover, however undefinable and untestable that conception may be.
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I interpret contemporary human social behavior to comprise hypertrophic outgrowths of the simpler features of human nature joined together into an irregular mosaic.
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Science is not marginal. Like art, it is a universal possession of humanity, and scientific knowledge has become a vital part of our species' repertory. It comprises what we know of the material world with reasonable certainty. . . . Thanks to science and technology, access to factual information of all kinds is rising exponentially.
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Nothing fundamental separates the course of human history from the course of physical history.
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Be prepared mentally for some amount of chaos and failure. Waste and frustration often attend the earliest stages.
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In 2010, my two Harvard mathematician colleagues and I dismantled kin-selection theory, which was the reigning theory of the origin of altruism at the time.
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In a purely technical sense, each species of higher organism-beetle, moss, and so forth, is richer in information than a Caravaggio painting, Mozart symphony, or any other great work of art.
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We are compelled to drive toward total knowledge, right down to the levels of the neuron and the gene. When we have progressed enough to explain ourselves in these mechanistic terms...the result might be hard to accept.
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All my life I have placed great store in civility and good manners, practices I find scarce among the often hard-edged, badly socialized scientists with whom I associate. Tone of voice means a great deal to me in the course of debate. I despise the arrogance and doting self-regard so frequently found among the very bright.
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Most kinds of aggressive behavior among members of the same species are responsive to crowding in the environment.
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The mosquito is an automaton. It can afford to be nothing else.
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Common sense is merely unaided intuition, and unaided intuition is reasoning performed in the absense of instruments and the tested knowledge of science. Common sense tells us that massive satellites cannot hang suspended 36,000 kilometers above the one point on the earth's surface, but they do.
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From the freedom to explore comes the joy of learning. From knowledge acquired by personal initiative arises the desire for more knowledge. And from mastery of the novel and beautiful world awaiting every child comes self-confidence.
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Overall, the human brain is the most complex object known in the universe - known, that is, to itself.
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Intertribal aggression, escalating in some cultures to limited warfare, is common enough to be regarded as a general characteristic of hunter-gatherer social behavior.
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The emergence of civilization has everywhere followed a definable sequence.
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Because it is... far slower than Lamarckian evolution, biological evolution is always quickly outrun by cultural change.
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The price of these failures has been a loss of moral consensus, a greater sense of helplessness about the human condition. ... The intellectual solution to the first dilemma can be achieved by a deeper and more courageous examination of human nature that combines the findings of biology with those of the social sciences.
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The search for knowledge is in our genes. It was put there by our distant ancestors who spread across the world, and it's never going to be quenched.
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If enough species are extinguished, will the ecosystems collapse, and will the extinction of most other species follow soon afterward? The only answer anyone can give is: possibly. By the time we find out, however, it might be too late. One planet, one experiment.
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Progress, then, is a property of the evolution of life as a whole by almost any conceivable intuitive standard.... let us not pretend to deny in our philosophy what we know in our hearts to be true.
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The channels of human mental development... are circuitous and variable. Rather than specify a single trait, human genes prescribe the capacity to develop a certain array of traits.