Carl Sagan Philosophical Quotes — Page 20

Carl Sagan

Astronomer, Astrophysicist

Philosophical

“At the extremes it is difficult to distinguish pseudoscience from rigid, doctrinaire religion.”

Religion Atheist Pseudoscience

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Carl Sagan

Astronomer, Astrophysicist

Philosophical

“Both the Freudian and the Platonic metaphors emphasize the considerable independence of and tension among the constituent parts of the psyche, a point that characterizes the human condition.”

Psychology Independence Metaphor

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Philosophical

“Who will speak for Planet Earth?”

Earth Speak

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Philosophical

“Books permit us to voyage through time, to tap the wisdom of our ancestors.”

Book Cosmos

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Philosophical

“After I give lectures-on almost any subject-I am often asked, "Do you believe in UFOs?" I'm always struck by how the question is phrased, the suggestion that this is a matter of belief and not evidence. I'm almost never asked, "How good is the evidence that UFOs are alien spaceships?"”

Believe Giving Suggestions

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Philosophical

“The wind whips through the canyons of the American Southwest, and there is no one to hear it but us - a reminder of the 40,000 generations of thinking men and women who preceded us, about whom we know almost nothing, upon whom our civilization is based.”

Thinking Men Wind

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Philosophical

“Eratosthenes was the director of the great library of Alexandria, the Centre of science and learning in the ancient world. Aristotle had argued that humanity was divided into Greeks and everybody else, whom he called barbarians and that the Greeks should keep themselves racially pure. He thought it was fitting for the Greeks to enslave other peoples. But Erathosthenes criticized Aristotle for his blind chauvinism, he believed there was good and bad in every nation.”

Humanity Library Greek

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Philosophical

“We are at a crossroads in human history. Never before has there been a moment so simultaneously perilous and promising. We are the first species to have taken evolution into our own hands.”

Hands Firsts Taken

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Philosophical

“There is a lurking fear that some things are not “meant" to be known, that some inquiries are too dangerous for human beings to make.”

Known Keeping Secrets Some Things Are Meant To Be

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Philosophical

“We are an intelligent species and the use of our intelligence quite properly gives us pleasure. In this respect the brain is like a muscle. When we think well, we feel good. Understanding is a kind of ecstasy.”

Science Intelligent Respect

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Philosophical

“Time spent with children is time well spent. Their little minds are not constrained by 'reality' or focused upon goals. Anything and everything is possible. Imagination will often carry us to worlds that never were. But without it we go nowhere.”

Children Reality Imagination

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Philosophical

“Discussing the possibilities of extraterrestrial life: I would love it even if they were short, sullen, grumpy and sexually obsessed. But there just isn't any good evidence.”

Life Sullen Grumpy

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Carl Sagan — Philosophical Quotes

Carl Sagan Quotes