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Quotes About Evidence

If it's sometimes easier to reject strong evidence than to admit that we've been wrong, this is also information about ourselves worth having.
~ Carl Sagan
Our psychological predispositions pros or cons must not misleads us. All that matters is the evidence, and the evident is not in.
~ Carl Sagan
science to forge a potent partnership against pseudo-science.
~ Carl Sagan
There is the possibility for religion and science to forge a potent partnership against pseudo-science.
~ Carl Sagan
Una señal inequívoca del amor a la verdad —escribía John Locke en 1690—, es no mantener ninguna proposición con mayor seguridad de la que garantizan las pruebas en las que se basa.» En el tema de los ovnis, ¿cuál es la fuerza de las pruebas?
~ Carl Sagan
We lack consensus about our place in the Universe. There is no generally agreed upon long-term vision of the goal of our species—other than, perhaps, simple survival. Especially when times are hard, we become desperate for encouragement, unreceptive to the litany of great demotions and dashed hopes, and much more willing to hear that we're special, never mind if the evidence is paper-thin.
~ Carl Sagan
the extraordinary should certainly be pursued. But extraordinary claims require extraordinary evidence.
~ Carl Sagan
After I give lectures—on almost any subject—I often am 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 of evidence. I'm almost never asked, "How good is the evidence that UFOs are alien spaceships?" I
~ Carl Sagan
There is some evidence that dreaming is necessary. When people or other mammals are deprived of REM sleep (by awakening them as soon as the characteristic REM and EEG dream patterns emerge), the number of initiations of the dream state per night goes up, and, in severe cases, daytime hallucinations-that is, waking dreams-occur.
~ Carl Sagan
One of the great commandments of science is, "Mistrust arguments from authority." (
~ Carl Sagan
Some evidence suggests the left-handers are more likely to have problems with such left-hemisphere functions as reading, writing, speaking and arithmetic; and to be more adept at such right -hemisphere functions as imagination, pattern recognition and general creativity.
~ Carl Sagan
For what a man had rather were true he more readily believes.
~ Carl Sagan
If scientists can be fooled on the question of the simple interpretation of straightforward data of the sort that they are routinely obtaining from other kinds of astronomical objects, when the stakes are high, when the emotional predispositions are working, what must be the situation where the evidence is much weaker, where the will to believe is much greater, where the skeptical scientific tradition has hardly made a toehold - namely, in the area of religion?
~ Carl Sagan
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 of evidence. I'm almost never asked, "How good is the evidence that UFOs are alien spaceships?" I
~ Carl Sagan
In the jury selection process, the court needs to be reassured that the verdict will be based on evidence.
~ Carl Sagan
Uno de los grandes mandamientos de la ciencia es: «Desconfía de los argumentos que proceden de la autoridad».
~ Carl Sagan
This is one of the fallacies in the baloney detection kit, the enumeration of favorable circumstances. We
~ Carl Sagan
Early in my studies, I was amazed and disappointed that such a view had ever been taken seriously, that for planets of other stars, absence of evidence had been considered evidence of absence.
~ Carl Sagan
La ausencia de pruebas no es prueba de ausencia.
~ Carl Sagan
We are alive and we resonate with idea of life elsewhere, but only careful accumulation and assessment of the evidence can tell us whether a given world is inhabited.
~ Carl Sagan
afirmações extraordinárias requerem evidência extraordinária.
~ Carl Sagan
Um dragão que cospe fogo pelas ventas vive na minha garagem - O Mundo assombrado pelos demônios.
~ Carl Sagan
Absence Of Evidence Is Not Evidence Of Absence
~ Carl Sagan
I try not to think with my gut. If I'm serious about understanding the world, thinking with anything besides my brain, as tempting as that might be, is likely to get me in trouble. Really, it's okay to reserve judgment until the evidence is in.
~ Carl Sagan