“My view is that if there is no evidence for it, then forget about it. An agnostic is somebody who doesn’t believe in something until there is evidence for it, so I’m agnostic.”

—  Carl Sagan

Last update June 3, 2021. History

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Carl Sagan 365
American astrophysicist, cosmologist, author and science ed… 1934–1996

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“It is often said, mainly by the 'no-contests', that although there is no positive evidence for the existence of God, nor is there evidence against his existence. So it is best to keep an open mind and be agnostic. At first sight that seems an unassailable position, at least in the weak sense of Pascal's wager. But on second thoughts it seems a cop-out, because the same could be said of Father Christmas and tooth fairies. There may be fairies at the bottom of the garden. There is no evidence for it, but you can't prove that there aren't any, so shouldn't we be agnostic with respect to fairies?”

Richard Dawkins (1941) English ethologist, evolutionary biologist and author

From speech at the Edinburgh International Science Festival, . Frequently misattributed to The God Delusion.
quoted in [EDITORIAL: A scientist's case against God, The Independent (London), April 20, 1992, 17] and [2011-05-27, What Should I Believe?: Philosophical Essays for Critical Thinking, Paul Gomberg, Broadview Press, 9781554810130, 146, http://books.google.com/books?id=76WxxHN9I0kC&pg=PA146&dq=%22Faith+is+the+great+cop-out%22]

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“I don’t even know what an atheist is. When people ask me if I’m an atheist, I have to ask them what they mean. What is it that I’m supposed to not believe in? Until you can answer that question I can’t tell you whether I’m an atheist, and the question doesn’t arise. […] I don’t see how one can be an agnostic when one doesn’t know what it is that one is supposed to believe in, or reject.”

Noam Chomsky (1928) american linguist, philosopher and activist

Science in the Dock (2011), 2, Chomsky.info, March 1, 2006, August 16, 2011 http://www.chomsky.info/debates/20060301.htm,
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Clarence Darrow photo

“Any one who thinks is an agnostic about something, otherwise he must believe that he is possessed of all knowledge. And the proper place for such a person is in the madhouse or the home for the feeble-minded.”

Clarence Darrow (1857–1938) American lawyer and leading member of the American Civil Liberties Union

Why I Am An Agnostic (1929)
Context: An agnostic is a doubter. The word is generally applied to those who doubt the verity of accepted religious creeds of faiths. Everyone is an agnostic as to the beliefs or creeds they do not accept. Catholics are agnostic to the Protestant creeds, and the Protestants are agnostic to the Catholic creed. Any one who thinks is an agnostic about something, otherwise he must believe that he is possessed of all knowledge. And the proper place for such a person is in the madhouse or the home for the feeble-minded. In a popular way, in the western world, an agnostic is one who doubts or disbelieves the main tenets of the Christian faith.

“When a scientist writes about God, his colleagues assume he is either over the hill or going bonkers. In my case it should be understood from the start that I am an agnostic in religious matters. My views on this question are close to those of Darwin, who wrote, "My theology is a simple muddle. I cannot look at the Universe as the result of blind chance, yet I see no evidence of beneficent design in the details."”

Robert Jastrow (1925–2008) American astronomer

God and the Astronomers (1978), Ch. 1 : In the Beginning.

Aron Ra photo

“[According to the Qur’an] God will punish me for not believing even though it is his fault that I don’t believe. God doesn’t need to seal my heart and my ears or cover my eyes. How about providing something that I could see or hear that would actually indicate a god? Why does God demand faith in lieu of evidence? I think it’s not just that there is no evidence, but that the reason there isn’t is because there is no god either.”

Aron Ra (1962) Aron Ra is an atheist activist and the host of the Ra-Men Podcast

Patheos, The Cow http://www.patheos.com/blogs/reasonadvocates/2016/01/22/the-cow/ (January 22, 2016)

Richard Dawkins photo

“Next time somebody tells you something that sounds important, think to yourself: 'Is this the kind of thing that people probably know because of evidence? Or is it the kind of thing that people only believe because of tradition, authority or revelation?' And, next time somebody tells you that something is true, why not say to them: 'What kind of evidence is there for that?”

Richard Dawkins book A Devil's Chaplain

And if they can't give you a good answer, I hope you'll think very carefully before you believe a word they say.
"Good and Bad Reasons for Believing" [open letter to his daughter]
A Devil's Chaplain (2003)

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“I believe in evidence. I believe in observation, measurement, and reasoning, confirmed by independent observers. I'll believe anything, no matter how wild and ridiculous, if there is evidence for it. The wilder and more ridiculous something is, however, the firmer and more solid the evidence will have to be.”

Isaac Asimov (1920–1992) American writer and professor of biochemistry at Boston University, known for his works of science fiction …

Source: The Roving Mind (1983), p. 43
Context: Don't you believe in flying saucers, they ask me? Don't you believe in telepathy? — in ancient astronauts? — in the Bermuda triangle? — in life after death?
No, I reply. No, no, no, no, and again no.
One person recently, goaded into desperation by the litany of unrelieved negation, burst out "Don't you believe in anything?"
"Yes", I said. "I believe in evidence. I believe in observation, measurement, and reasoning, confirmed by independent observers. I'll believe anything, no matter how wild and ridiculous, if there is evidence for it. The wilder and more ridiculous something is, however, the firmer and more solid the evidence will have to be."

Tryon Edwards photo

“Credulity is belief on slight evidence, with no evidence, or or against evidence. In this sense it is the infidel, not the believer, who is credulous. 'The simple,' says Solomon, 'believeth every word.”

Tryon Edwards (1809–1894) American theologian

Source: A Dictionary of Thoughts, 1891, p. 96.

“In fact, many professing agnostics are nearer belief in the true God than are many conventional church-goers who believe in a body that does not exist whom they miscall God.”

Leslie Weatherhead (1893–1976) English theologian

Preface, p. 14, sentence 12.
The Christian Agnostic (1965)

Malcolm X photo

“Whether we are Christians or Muslims or nationalists or agnostics or atheists, we must first learn to forget our differences. If we have differences, let us differ in the closet; when we come out in front, let us not have anything to argue about until we get finished arguing with the man.”

Malcolm X (1925–1965) American human rights activist

Source: The Ballot or the Bullet (1964), Speech in Cleveland, Ohio (April 3, 1964)

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