“I do not want to believe. I want to know.”
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Work
This book is about science in its broadest human context, how science and civilization grew up together. It is the story of our long journey of discovery and the forces and individuals who helped to shape modern science, including Democritus, Hypatia, Kepler, Newton, Huygens, Champollion, Lowell and Humason. The book also explores spacecraft missions of discovery of the nearby planets, the research in the Library of ancient Alexandria, the human brain, Egyptian hieroglyphics, the origin of life, the death of the Sun, the evolution of galaxies and the origins of matter, suns and worlds. The author retraces the fifteen billion years of cosmic evolution that have transformed matter into life and consciousness, enabling the cosmos to wonder about itself. He considers the latest findings on life elsewhere and how we might communicate with the beings of other worlds. ~ WorldCat.org
Quotes
Showing 25-44 of 44
Carl Sagan
Canonical work source
“I do not want to believe. I want to know.”
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“We must understand the Cosmos as it is and not confuse how it is with how we wish it to be.”
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“Every aspect of Nature reveals a deep mystery and touches our sense of wonder and awe. Those afraid of the universe as it really is, those who pretend to nonexistent knowledge and envision a...”
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“The reappearance of the crescent moon after the new moon; the return of the Sun after a total eclipse, the rising of the Sun in the morning after its troublesome absence at night were noted...”
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“If you had walked through the pleasant Tuscan countryside in the 1890's, you might have come upon a somewhat long-haired teenage high school dropout on the road to Pavia. His teachers in Ger...”
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“The Cosmos is all that is or was or ever will be. Our feeblest contemplations of the Cosmos stir us -- there is a tingling in the spine, a catch in the voice, a faint sensation, as if a dist...”
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“The lifetime of a human being is measured by decades, the lifetime of the Sun is a hundred million times longer. Compared to a star, we are like mayflies, fleeting ephemeral creatures who li...”
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“Lost somewhere between the eternity of time and immensity of space is our tiny planetary home”
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“We are a way for the cosmos to know itself.”
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“Çağımızın üçüncü dünya sorunlarından en önemlisi, okumuş sınıfların zengin çocukları olması, bunların da statükonun sürüp gitmesinden çıkarları bulunması ve kol işçiliğine yatkın olmadıktan...”
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“Hiçbir uygarlık, topluluktaki doğumların sayısını sınırlandırmadan yıldızlar arası yolculuk çabalarının üstesinden gelemez”
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“Çok bilmek, çok zeki olmakla eş değer değildir. Akıl yalnızca bilgi demek değildir, aynı zamanda yargıdır da. Başka bir deyişle, bilgiler arasında bağlantı kurup bunları kullanmaktır.”
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“Güneş'in yapısında önce helyum bulunduğu saptanmıştır.(Yunanlıların güneş tanrısına Helios adını vermeleri nedeniyle helyum denilmiştir.)”
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“70 milyon yıl, bunun ancak milyonda birine eşit bir süre yaşayabilen insan için ne ifade eder? Yalnızca bir güncük uçan ve günü sonsuzmuş gibi algılayan kelebeklere benziyoruz”
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“En basit yapılı tek hücreli organizma bile en mükemmel cep saatinden daha karmaşık bir makinedir.”
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“Evrim bir kuram değil bir olgudur.”
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“Kozmos ''düzen içinde bir evren'' anlamında kullanılan Yunanca bir sözcüktür ve bir bakıma ''karmaşa'' anlamına gelen Kaos'un karşıtıdır.”
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“Göz önünde tutmak'' anlamındaki İngilizce ''consider'' sözcüğünün köken anlamı şudur: ''Gezegene bakarak konuşmak.'' Gezegenlere bakarak konuşmaksa oldukça ciddi bir işti.”
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“There are many hypotheses in science which are wrong. That’s perfectly all right: it’s the aperture to finding out what’s right. Science is a self-correcting process.”
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“There’s as many atoms in a single molecule of your DNA as there are stars in the typical galaxy. We are, each of us, a little universe.”
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