Science is a way to not fool ourselves.
Carl SaganRead
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?"
Interpretation
This quote emphasizes the importance of evidence over personal belief in evaluating claims about UFOs.
Carl Sagan highlights a common tendency to frame questions about UFOs in terms of belief rather than evidence. He points out that instead of inquiring about the proof supporting the existence of UFOs as alien spacecraft, people are more inclined to ask about personal beliefs, which reflects a misunderstanding of how scientific inquiry should be conducted.
In practice
In a science class discussing skepticism and evidence, you might reference this quote to emphasize critical thinking.
Science is a way to not fool ourselves.
In more than one respect, the exploring of the Solar System and homesteading other worlds constitutes the beginning, much more than the end, of history.
How smart does a chimpanzee have to be before killing him constitutes murder?
The hole in the ozone layer is a kind of skywriting. At first it seemed to spell out our continuing complacency before a witch's brew of deadly perils. But perhaps it really tells of a newfound talent to work together to protect the global environment.
There is a reward structure in science that is very interesting: Our highest honors go to those who disprove the findings of the most revered among us. So Einstein is revered not just because he made so many fundamental contributions to science, but because he found an imperfection in the fundamental contribution of Isaac Newton.
The simplest thought, like the concept of the number one, has an elaborate logical underpinning.
The popularisation of scientific doctrines is producing as great an alteration in the mental state of society as the material applications of science are effecting in its outward life. Such indeed is the respect paid to science, that the most absurd opinions may become current, provided they are expressed in language, the sound of which recals [sic] some well-known scientific phrase.
What we want is scientists who don't become part of the policy discussion: All they do is produce science. If someone becomes an advocate, then I won't pay as much attention to their science.
As you may know, some of the stereotyped behaviors exhibited by autistic children are also found in zoo animals who are raised in a barren environment.
On two occasions I have been asked, 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.
I lose sleep at night wondering whether we are intelligent enough to figure out the universe. I don't know.
Odd arrangements and funny solutions are the proof of evolution - paths that a sensible God would never tread but that a natural process, constrained by history, follows perforce.
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