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If you want to save your child from polio, you can pray or you can inoculate. -- Carl Sagan, The Demon-Haunted World, p. 30
If we long to believe that the stars rise and set for us, that we are the reason there is a Universe, does science do us a disservice in deflating our conceits? -- Carl Sagan, The Demon-Haunted World
Modern science has been a voyage into the unknown, with a lesson in humility waiting at every stop. Many passengers would rather have stayed home. -- Carl Sagan, Pale Blue Dot
In science it often happens that scientists say, "You know that's a really good argument; my position is mistaken," and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. -- Carl Sagan, 1987 CSICOP keynote address
If some good evidence for life after death were announced, I'd be eager to examine it; but it would have to be real scientific data, not mere anecdote.... Better the hard truth, I say, than the comforting fantasy. -- Carl Sagan, The Demon-Haunted World, p. 204
If we can't think for ourselves, if we're unwilling to question authority, then we're just putty in the hands of those in power. But if the citizens are educated and form their own opinions, then those in power work for us. In every country, we should be teaching our children the scientific method and the reasons for a Bill of Rights. With it comes a certain decency, humility and community spirit. In the demon-haunted world that we inhabit by virtue of being human, this may be all that stands between us and the enveloping darkness. -- Carl Sagan, The Demon-Haunted World
I would love to believe that when I die I will live again, that some thinking, feeling, remembering part of me will continue. But as much as I want to believe that, and despite the ancient and worldwide cultural traditions that assert an afterlife, I know of nothing to suggest that it is more than wishful thinking. -- Carl Sagan, The Demon Haunted World
Aritosthenese's only tools were sticks, eyes, feet, and brains; plus a zest for experiment. With those tools he correctly deduced the circumference of the Earth, to high precision, with an error of only a few percent. That's pretty good figuring for 2200 years ago. -- Carl Sagan, Cosmos television series, quoted from The Carl Sagan Electronic Monument
In Italy, the Inquisition was condemning people to death until the end of the eighteenth century, and inquisitional torture was not abolished in the Catholic Church until 1816. The last bastion of support for the reality of witchcraft and the necessity of punishment has been the Christian churches. -- Carl Sagan, The Demon-Haunted World, p. 413
"Contrary to the fantasies of the fundamentalists, there was no deathbed conversion, no last minute refuge taken in a comforting vision of a heaven or an afterlife. For Carl, what mattered most was what was true, not merely what would make us feel better. Even at this moment when anyone would be forgiven for turning away from the reality of our situation, Carl was unflinching. As we looked deeply into each other's eyes, it was with a shared conviction that our wondrous life together was ending forever." -- Ann Druyan, Epilogue to Billions and Billions: Thoughts on Life and Death at the Brink of the Millennium
Interviewer: "Didn't want to believe?" Druyan: "He didn't want to believe. He wanted to know." -- Ann Druyan (attributed: source unknown)
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