Carl Sagan Quotes, Average Quotes, Years Quotes

Few scientists now dispute that today's soaring levels of carbon dioxide and other gases in the atmosphere will cause global temperature averages to rise by as much as nine degrees Fahrenheit sometime after the year 2000.

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The fact that someone says something doesn't mean it's true. Doesn't mean they're lying, but it doesn't mean it's true.

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If you are only skeptical, then no new ideas make it through to you.

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The sacred truth of science is that there are no sacred truths.

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All colours are arbitrary.

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When you look more generally at life on Earth, you find that it is all the same kind of life. There are not many different kinds; there's only one kind. It uses about fifty fundamental biological building blocks, organic molecules.

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Ours is the first generation that has grown up with science-fiction ideas.

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Probably a dozen times since their death I've heard my mother or father, in an ordinary conversational tone of voice, call my name. They had called my name often during my life with them ... It doesn't seem strange to me.

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We are made of star-stuff. Our bodies are made of star-stuff. There are pieces of star within us all.

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I think if we ever reach the point where we think we thoroughly understand who we are and where we came from, we will have failed.

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Tags : Carl Sagan Quotes , Thinking Quotes , Who We Are Quotes

There are many hypotheses in physics of almost comparable brillance and elegance that have been rejected because they did not survive such a confrontation with experiment. In my view, the human condition would be greatly improved if such confrontations and willingness to reject hypotheses were a regular part of our social, political, economic, religious and cultural lives.

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Tags : Carl Sagan Quotes , Religious Quotes , Views Quotes

One trend that bothers me is the glorification of stupidity, that the media is reassuring people it's alright not to know anything. That to me is far more dangerous than a little pornography on the Internet.

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A still more glorious dawn awaits / not a sunrise, but a galaxy-rise / a morning filled with 400 billion suns / the rising of the milky way

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He sought a way to preserve the past. John Hershel was one of the founders of a new form of time travel.... a means to capture light and memories. He actually coined a word for it... photography. When you think about it, photography is a form of time travel. This man is staring at us from across the centuries, a ghost preserved by light.

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Recent research shows that many children without enough to eat wind up with diminished capacity to understand and learn (“cognitive impairment” ). Children don't have to be starving for this to happen. Even mild undernourishment — the kind most common among poor people in America — can do it.

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Our posturings, our imagined self-importance , the delusion that we have some privileged position in the universe are challenged by this point of pale light.

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What began in deadly competition has helped us to see that global cooperation is the essential precondition for our survival. Travel is broadening. It's time to hit the road again.

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We live on a mote of dust suspended in a sunbeam

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You can't convince a believer of anything; for their belief is not based on evidence, it's based on a deep seated need to believe

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And you are made of a hundred trillion cells. We are, each of us, a multitude.

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