Quotes from Carl Sagan

La comprensión del cambio climático puede tener profundas consecuencias básicas, porque el hombre está ejerciendo tremenda influencia en el medio ambiente de la Tierra, a menudo en formas que revelan mediocres caminos de pensamiento, malas comprensiones y conveniencias individuales y beneficios económicos a corto plazo, entre los habitantes del planeta.

where ignorance is bliss, 'Tis folly to be wise wrote the poet Thomas Gray.

Books break the shackles of time. A book is proof that humans are capable of working magic.

You could say that my scientific career has been a sequence of free associations. One thing just led to another.

She found what she had been searching for.

Smallpox has been wiped out worldwide.

Bilimi (daha doÄŸrusu iÅŸleyiÅŸ ilkelerini) hiç duymad?ysan?z, sahte bilime kucak açt???n?z?n fark?nda bile olmayabilirsiniz.

Así, en una época en que las religiones tradicionales se han visto sometidas al fuego abrasador de la ciencia, ¿no es natural envolver a los antiguos dioses y demonios en un atuendo científico y llamarlos extraterrestres?

We can pray over the cholera victim, or we can give her 500 milligrams of tetracycline every 12 hours.

The corollary, one that the United States sometimes fails to grasp, is that abandoning science is the road back into poverty and backwardness.

The Cosmos is all that is or ever was or ever will be. Our feeblest contemplations of the Cosmos stir us - there is a tingling in the spine, a catch in the voice, a faint sensation, as if a distant memory, of falling from a height. We know we are approaching the greatest of mysteries

Why are there no nonhuman primates with an existing complex gestural language? One possible answer, it seems to me, is that humans have systematically exterminated those other primates who displayed signs of intelligence.

Anatomy is not destiny, but it is not irrelevant either.

Individual asexual organisms die by mistake - when the run out of something, or when they experience a lethal accident. Sexual organisms are designed to die, preprogrammed to do so. Death serves as a poignant reminder of our limitations and frailties - and of the bond with our ancestors who, in a way, died that we might live.

You spend even a little time contemplating the Earth from orbit and the most deeply engrained nationalisms begin to erode. They seem the squabbles of mites on a plum.

We must not believe the many, who say that only free people ought to be educated, but we should rather believe the philosophers who say that only the educated are free. EPICTETUS, Roman philosopher and former slave, Discourses

In a world in transition, students and teachers both need to teach themselves one essential skill - learning how to learn.

My favorite color: A pale blue dot suspended in a sunbeam...

As the pioneering physicist Benjamin Franklin put it, "In going on with these experiments, how many pretty systems do we build, which we soon find ourselves obliged to destroy?

Our technology has produced thalidomide, CFCs, Agent Orange, nerve gas, pollution of air and water, species extinctions, and industries so powerful they can ruin the climate of the planet.

Due to our own actions or inactions, and the misuse of our technology, we live at an extraordinary moment, for the Earth at least - the first time that a species has become able to wipe itself out. But this is also, we may note, the first time that a species has become able to journey to the planets and the stars.

In opinion poll after opinion poll science is rated among the most admired and trusted occupations, despite the misgivings

Many harebrained interpretations were also widely available, especially in weekly newspapers.

She began talking the moment Kitz left her office. "What's he after? Vegan death rays?