which deep thoughts can be winnowed from deep nonsense.
Carl Sagan
A central lesson of science is that to understand complex issues (or
even simple ones), we must try to free our minds of dogma and to
guarantee the freedom to publish, to contradict, and to experiment.
Arguments from authority are unacceptable.
Carl Sagan
It is the responsibility of scientists never to suppress knowledge,
no matter how awkward that knowledge is, no matter how it may bother
those in power; we are not smart enough to decide which pieces of
knowledge are permissible, and which are not. …
— Carl Sagan
One of the great commandments of science is, 'Mistrust arguments from
authority'. (Scientists, being primates, and thus given to dominance
hierarchies, of course do not always follow this commandment.)
— Carl Sagan
The cure for a fallacious argument is a better argument, not the
suppression of ideas.
— Carl Sagan
The method of science is tried and true. It is not perfect, it's just
the best we have. And to abandon it, with its skeptical protocols, is
the pathway to a dark age.
— Carl Sagan
The suppression of uncomfortable ideas may be common in religion or
in politics, but it is not the path to knowledge; it has no in the
endeavor of science. We do not know in advance who will discover
fundamental insights.
— Carl Sagan
[N]o scientist likes to be criticized. ... But you don't reply to
critics: "Wait a minute, wait a minute; this is a really good idea.
I'm very fond of it. It's done you no harm. Please don't attack it."
That's not the way it goes. The hard but just rule is that if the
ideas don't work, you must throw them away. Don't waste any neurons
on what doesn't work. Devote those neurons to new ideas that better
explain the data. Valid criticism is doing you a favor.
— Carl Sagan
“...extraordinary claims require extraordinary evidence.”
Dr. Carl Sagan
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