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I've worked very hard in this book to keep the lines of communication open. I don't want to turn someone away from this information for partisan political reasons.
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.. the values to which people cling most stubbornly under inappropriate conditions are those values that were previously the source of their greatest triumphs.
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The broadest pattern of history - namely, the differences between human societies on different continents - seems to me to be attributable to differences among continental environments, and not to biological differences among peoples themselves.
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Technology causes problems as well as solves problems. Nobody has figured out a way to ensure that, as of tomorrow, technology won't create problems. Technology simply means increased power, which is why we have the global problems we face today.
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Lest those islands still seem to you too remote in space and time to be relevant to our modern societies, just think about the risks... of our increasing globalization and increasing worldwide economic interdependence.
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I personally am not conscious of my accent.
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No government is here forever. And there are other forces - the most potent force in our society, in fact, big business - doing good for the environment.
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Twenty years ago, you might have been pessimistic and said there's no hope. But these days, some of our very biggest companies are acting remarkably cleanly. And in some cases, although not all cases, the CEOs are the driving forces behind that.
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It's striking that Native Americans evolved no devastating epidemic diseases to give to Europeans, in return for the many devastating epidemic diseases that Indians received from the Old World.
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The rate of human invention is faster, and the rate of cultural loss is slower, in areas occupied by many competing societies with many individuals and in contact with societies elsewhere.
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Human societies vary in lots of independent factors affecting their openness to innovation.
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Tasmanian history is a study of human isolation unprecedented except in science fiction - namely, complete isolation from other humans for 10,000 years.
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All human societies go through fads in which they temporarily either adopt practices of little use or else abandon practices of considerable use.
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We're uncomfortable about considering history as a science. It's classified as a social science, which is considered not quite scientific.
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We study the injustices of history for the same reason that we study genocide, and for the same reason that psychologists study the minds of murderers and rapists... to understand how those evil things came about.
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Introspection and preserved writings give us far more insight into the ways of past humans than we have into the ways of past dinosaurs. For that reason, I'm optimistic that we can eventually arrive at convincing explanations for these broadest patterns of human history.
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Biology is the science. Evolution is the concept that makes biology unique.
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The main thing that gives me hope is the media. We have radio, TV, magazines, and books, so we have the possibility of learning from societies that are remote from us, like Somalia. We turn on the TV and see what blew up in Iraq or we see conditions in Afghanistan.
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I decided that now is the time to start doing the things that really interest me and I find important. It was in the 10 years of the MacArthur grant that I began working on my first book... and I began putting more work into environmental history.
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Technology has to be invented or adopted.
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Why did human development proceed at such different rates on different continents for the last 13,000 years?
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Remember that impact is the product of two factors: population multiplied times impact per person.
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I'd rather spend my leisure time doing what some people call my work and I call my fun.
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Eurasia ended up with the most domesticated animal species in part because it's the world's largest land mass and offered the most wild species to begin with.