Quotes from Carl Sagan

We are difficult to come by and a danger to ourselves.

Everyday life depends on the structure of the atom. Turn off the electrical charges and everything crumbles to an invisible fine dust, without electrical forces, there would no longer be things in the universe - merely diffuse clouds of electrons, protons, and neutrons, and gravitating spheres of elementary particles, the featureless remnants of worlds.

Los demonios venden; los bromistas son aburridos y de mal gusto.

Some people might kill it." "It's hard to kill a creature once it lets you see its consciousness." He continued to carry both twig and larva.

Our psychological predispositions pros or cons must not misleads us. All that matters is the evidence, and the evident is not in.

science to forge a potent partnership against pseudo-science.

Black holes may be apertures to elsewhen. Were we to plunge down a black hole, we would re-emerge, it is conjectured, in a different part of the universe and in another epoch in time . . . Black holes may be entrances to Wonderlands. But are there Alices or white rabbits?

Leave nothing to chance. Overlook nothing. Combine contradictory observations. Allow yourself enough time.

We are the only species on the planet, so far as we know, to have invented a communal memory stored neither in our genes nor in our brains. The warehouse of that memory is called the library. A

There is the possibility for religion and science to forge a potent partnership against pseudo-science.

No even number is prime, for example.

GüneÅŸ'in yap?s?nda önce helyum bulunduÄŸu saptanm??t?r.(Yunanl?lar?n güneÅŸ tanr?s?na Helios ad?n? vermeleri nedeniyle helyum denilmiÅŸtir.)

On the scale of worlds—to say nothing of stars or galaxies—humans are inconsequential, a thin film of life on an obscure and solitary lump of rock and metal. It

La idea general de una aplicación democrática del escepticismo es que todo el mundo debería tener las herramientas esenciales para valorar eficaz y constructivamente las afirmaciones de conocimiento

First there was the great cosmic egg. Inside the egg was chaos, and floating in chaos was P'an Ku, the Undeveloped, the divine Embryo. And P'an Ku burst out of the egg, four times larger than any man today, with a hammer and chisel in his hand with which he fashioned the world. —The P'an Ku myths, China (around third century)

From the surface of the Earth the Sun would have seemed to be flickering, as in a time-lapse movie. So there was a time when sunlight first broke through the dust pall, when the Sun, Moon and stars could first be noticed had there been anyone there to see them. There was a first sunrise and a first nightfall.

Nuestro planeta y nuestro sistema solar se hallan rodeados por un nuevo mundo oceánico, las profundidades del espacio. Y no es más infranqueable que el de otras épocas.

Lo único que pide la ciencia es que se apliquen los mismos niveles de escepticismo que al comprar un coche usado o al juzgar la calidad de un analgésico o una cerveza a través de los anuncios de la televisión.

He wants it both ways—the language and credibility of science, but without being bound by its method and rules.

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?

She was reasonably sure her remarks were not entirely foolish, and did not wish to be ignored, much less ignored and patronized alternately. Part of it—but only a part—she knew was due to the softness of her voice. So she developed a physics voice, a professional voice: clear, competent, and many decibels above conversational. With such a voice it was important to be right. She had to pick her moments

Plato, Socrates' most celebrated student, assigned a high role to demons: "No human nature invested with supreme power is able to order human affairs," he said, "and not overflow with insolence and wrong Ã¢â'¬Â¦

A God of the Gaps is assigned responsibility for what we do not yet understand. As

Presiding over the skies of Earth at the time of the origin of life was a huge Moon, its familiar surface features being etched by mighty collisions and oceans of lava. If tonight´s Moon looks about as large as a nickel at arm´s lenght, that ancient Moon might have seemed as big as a saucer. It must have been heartbreakingly lovely. But it was billions of years to the nearest lovers.