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Published to commemorate the tenth anniversary of the Pulitzer Prize-winning author's death, a volume based on his famous "Gifford Lectures in Natural Theology" presents a detailed exploration of the relationship between religion and science as well as Sagan's personal effort to understand the nature of the sacred in the cosmos. 150,000 first printing.
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Carl Sagan was Professor of Astronomy and Space Sciences and Director of the Laboratory for Planetary Studies at Cornell University. He played a leading role in the Mariner, Viking, and Voyager spacecraft expeditions to the planets, for which he received the NASA medals for Exceptional Scientific Achievement. Dr. Sagan received the Pulitzer Prize and the highest awards of both the National Academy of Sciences and the National Science Foundation, and many other awards, for his contributions to science, literature, education, and the preservation of the environment. His book Cosmos (accompanying his Emmy- and Peabody Award-winning television series of the same name) was the bestselling science book ever published in the English language, and his bestselling novel, Contact, was turned into a major motion picture.Excerpt. © Reprinted by permission. All rights reserved.:
THE VARIETIES OF
Carl Sagan (November 9, 1934–December 20, 1996) was professor of astronomy and space sciences and director of the Laboratory for Planetary Studies at Cornell University. He played a leading role in the Mariner, Viking, and Voyager spacecraft expeditions to the planets, for which he twice received the NASA Medals for Exceptional Scientific Achievement. Dr. Sagan received the Pulitzer Prize and the highest awards of both the National Academy of Sciences and the National Science Foundation and many other awards for his contributions to science, literature, education, and the preservation of the environment. His book Cosmos (accompanying his Emmy and Peabody Award–winning television series of the same name) was the bestselling science book ever published in the English language, and his bestselling novel Contact was turned into a major motion picture.
Dr. Sagan was among the first to alert the public to the danger of global warming and the potential climatic consequences of nuclear war. In the 1980s he initiated the campaign to forge an alliance between religion and science to protect the environment.
THE VARIETIES of SCIENTIFIC EXPERIENCE
A Personal View of the Search for God
Edited by ANN DRUYAN
Illustrations Editor and Scientific Consultant Steven Soter
1. NATURE AND WONDER: A RECONNAISSANCE OF HEAVEN
2. THE RETREAT FROM COPERNICUS: A MODERN LOSS OF NERVE
3. THE ORGANIC UNIVERSE
4. EXTRATERRESTRIAL INTELLIGENCE
5. EXTRATERRESTRIAL FOLKLORE: IMPLICATIONS FOR THE EVOLUTION OF RELIGION
6. THE GOD HYPOTHESIS
7. THE RELIGIOUS EXPERIENCE
8. CRIMES AGAINST CREATION
9. THE SEARCH
SELECTED Q & A
Carl Sagan was a scientist, but he had some qualities that I associate with the Old Testament. When he came up against a wall—the wall of jargon that mystifies science and withholds its treasures from the rest of us, for example, or the wall around our souls that keeps us from taking the revelations of science to heart—when he came up against one of those topless old walls, he would, like some latter-day Joshua, use all of his many strengths to bring it down.
As a child in Brooklyn, he had recited the Hebrew V’Ahavta prayer from Deuteronomy at temple services: “And you shall love the Lord your God with all your heart, with all your soul, with all your might.” He knew it by heart, and it may have been the inspiration for him to first ask, What is love without understanding? And what greater might do we possess as human beings than our capacity to question and to learn?
The more Carl learned about nature, about the vastness of the universe and the awesome timescales of cosmic evolution, the more he was uplifted.
Another way in which he was Old Testament: He couldn’t live a compartmentalized life, operating on one set of assumptions in the laboratory and keeping another, conflicting set for the Sabbath. He took the idea of God so seriously that it had to pass the most rigorous standards of scrutiny.
How was it, he wondered, that the eternal and omniscient Creator described in the Bible could confidently assert so many fundamental misconceptions about Creation? Why would the God of the Scriptures be far less knowledgeable about nature than are we, newcomers, who have only just begun to study the universe? He could not bring himself to overlook the Bible’s formulation of a flat, six-thousand-year-old earth, and he found especially tragic the notion that we had been created separately from all other living things. The discovery of our relatedness to all life was borne out by countless distinct and compelling lines of evidence. For Carl, Darwin’s insight that life evolved over the eons through natural selection was not just better science than Genesis, it also afforded a deeper, more satisfying spiritual experience.
He believed that the little we do know about nature suggests that we know even less about God. We had only just managed to get an inkling of the grandeur of the cosmos and its exquisite laws that guide the evolution of trillions if not infinite numbers of worlds. This newly acquired vision made the God who created the World seem hopelessly local and dated, bound to transparently human misperceptions and conceits of the past.
This was no glib assertion on his part. He avidly studied the world’s religions, both living and defunct, with the same hunger for learning that he brought to scientific subjects. He was enchanted by their poetry and history. When he debated religious leaders, he frequently surprised them with his ability to out-quote the sacred texts. Some of these debates led to longstanding friendships and alliances for the protection of life. However, he never understood why anyone would want to separate science, which is just a way of searching for what is true, from what we hold sacred, which are those truths that inspire love and awe.
His argument was not with God but with those who believed that our understanding of the sacred had been completed. Science’s permanently revolutionary conviction that the search for truth never ends seemed to him the only approach with sufficient humility to be worthy of the universe that it revealed. The methodology of science, with its error-correcting mechanism for keeping us honest in spite of our chronic tendencies to project, to misunderstand, to deceive ourselves and others, seemed to him the height of spiritual discipline. If you are searching for sacred knowledge and not just a palliative for your fears, then you will train yourself to be a good skeptic.
The idea that the scientific method should be applied to the deepest of questions is frequently decried as “scientism.” This charge is made by those who hold that religious beliefs should be off-limits to scientific scrutiny—that beliefs (convictions without evidence that can be tested) are a sufficient way of knowing. Carl understood this feeling, but he insisted with Bertrand Russell that “what is wanted is not the will to believe, but the desire to find out, which is the exact opposite.” And in all things, even when it came to facing his own cruel fate—he succumbed to pneumonia on December 20, 1996, after enduring three bone-marrow transplants—Carl didn’t want just to believe: He wanted to know.
Until about five hundred years ago, there had been no such wall separating science and religion. Back then they were one and the same. It was only when a group of religious men who wished “to read God’s mind” realized that science would be the most powerful means to do so that a wall was needed. These men—among them Galileo, Kepler, Newton, and, much later, Darwin—began to articulate and internalize the scientific method. Science took off for the stars, and institutional religion, choosing to deny the new revelations, could do little more than build a protective wall around itself.
Science has carried us to the gateway to the universe. And yet our conception of our surroundings remains the disproportionate view of the still-small child. We are spiritually and culturally paralyzed, unable to face the vastness, to embrace our lack of centrality and find our actual place in the fabric of nature. We batter this planet as if we had someplace else to go. That we even do science is a hopeful glimmer of mental health. However, it’s not enough merely to accept these insights intellectually while we cling to a spiritual ideology that is not only rootless in nature but also, in many ways, contemptuous of what is natural. Carl believed that our best hope of preserving the exquisite fabric of life on our world would be to take the revelations of science to heart.
And that he did. “Every one of us is, in the cosmic perspective, precious,” he wrote in his book Cosmos. “If a human disagrees with you, let him live. In a hundred billion galaxies you will not find another.” He lobbied NASA for years to instruct Voyager 2 to look back to Earth and take a picture of it from out by Neptune. Then he asked us to meditate on that image and see our home for what it is—just a tiny “pale blue dot” afloat in the immensity of the universe. He dreamed that we might attain a spiritual understanding of our true circumstances. Like a prophet of old, he wanted to arouse us from our stupor so that we would take action to protect our home.
Carl wanted us to see ourselves not as the failed clay of a disappointed Creator but as starstuff, made of atoms forged in the fiery hearts of distant stars. To him we were “starstuff pondering the stars; organized assemblages of 10 billion billion billion atoms considering the evolution of atoms; tracing the long journey by which, here at least, consciousness arose.” For him science was, in part, a kind of “informed worship.” No single step in the pursuit of enlightenment should ever be considered sacred; only the search was.
This imperative was one of the reasons he was willing to get into so much trouble with his colleagues for tearing down the walls that have excluded most of us from the insights and values of science. Another was his fear that we would be unable to keep even the limited degree of democracy we have achieved. Our society is based on science and high technology, but only a small minority among us has even a superficial understanding of how they work. How can we hope to be responsible citizens of a democratic society, informed decision makers regarding the inevitable challenges posed by these newly acquired powers?
This vision of a critically thoughtful public, awakened to science as a way of thinking, impelled him to speak at many places where scientists were not usually found: kindergartens, naturalization ceremonies, an all-black college in the segregated South of 1962, at demonstrations of nonviolent civil disobedience, on the Tonight show. And he did this while maintaining a pioneering, astonishingly productive, fearlessly interdisciplinary scientific career.
He was especially thrilled to be invited to give the Gifford Lectures on Natural Theology of 1985 at the University of Glasgow. He would be following in the footsteps of some of the greatest scientists and philosophers of the last hundred years—including James Frazer, Arthur Eddington, Werner Heisenberg, Niels Bohr, Alfred North Whitehead, Albert Schweitzer, and Hannah Arendt.
Carl saw these lectures as a chance to set down in detail his understanding of the relationship between religion and science and something of his own search to understand the nature of the sacred. In the course of them, he touches on several themes that he had written about elsewhere; however, what follows is the definitive statement of what he took pains to stress were only his personal views on this endlessly fascinating subject.
At the beginning of each Gifford Lecture, a distinguished member of the university community would introduce Carl and marvel at the need for still more additional halls to accommodate the overflow audience. I have been careful not to change the meaning of anything Carl said, but I have taken the liberty of editing out those gracious introductory remarks as well as the hundred or more notations on the audio transcripts that merely say “[Laughter].”
I ask the reader to keep in mind at all times that any deficiencies of this book are my responsibility and not Carl’s. Despite the fact that the unedited transcripts reveal a man who spoke extemporaneously in nearly perfect paragraphs, a collection of lectures is not exactly the same thing as a book. This is especially true when the Pulitzer Prize–winning author in question never published anything without combing at least twenty or twenty-five iterations of every manuscript for error or stylistic infelicity.
There was plenty of laughter during these lectures, but also the kind of pin-drop silence that comes when the audience and the speaker are united in the thrall of an idea. The extended dialogues in some of the question-and-answer periods capture a sense of what it was like to explore a question with Carl. I attended every lecture, and more than twenty years later what remains with me was his extraordinary combination of principled, crystal-clear advocacy coupled with respect and tenderness toward those who did not share his views.
The American psychologist and philosopher William James gave the Gifford Lectures in the first years of the twentieth century. He later turned them into an extraordinarily influential book entitled The Varieties of Religious Experience, which remains in print till this day. Carl admired James’s definition of religion as a “feeling of being at home in the Universe,” quoting it at the conclusion of Pale Blue Dot, his vision of the human future in space. The title of the book you hold in your hands is a tip of the hat to the illustrious tradition of the Gifford Lectures. My variation on James’s title is intended to convey that science opens the way to levels of consciousness that are otherwise inaccessible to us; that, contrary to our cultural bias, the only gratification that science denies to us is deception. I hope it also honors the breadth of searching and the richness of insight that distinguished Carl Sagan’s indivisible life and work. The varieties of his scientific experience were exemplified by oneness, humility, community, wonder, love, courage, remembrance, openness, and compassion.
In that same drawer where the transcript of these lectures was rediscovered, there was a sheaf of notes intended for a book we never had the chance to write. Its working title was Ethos, and it would have been our attempt to synthesize the spiritual perspectives we derived from the revelations of science. We collected filing cabinets’ worth of notes and references on the subject. Among them was a quotation Carl had excerpted from Gottfried Wilhelm Leibniz (1646–1716), the mathematical and philosophical genius, who had invented differential and integral calculus independently of Isaac Newton. Leibniz argued that God should be the wall that stopped all further questioning, as he famously wrote in this passage from Principles of Nature and Grace:
“Why does something exist rather than nothing? For ‘nothing’ is simpler than ‘something.’ Now this sufficient reason for the existence of the universe...which has no need of any other reason...must be a necessary being, else we should not have a sufficient reason with which we could stop.”
And just beneath the typed quote, three small handwritten words in red pen, a message from Carl to Leibniz and to us: “So don’t stop.”
· ANN DRUYAN
Ithaca, New York
March 21, 2006
In these lectures I would like, following the wording of the Gifford Trust, to tell you something of my views on what at least...
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