Be grateful everyday for the brief but magnificent opportunity that life provides. — Carl Sagan Copy Share Image
But down deep, at the molecular heart of life we're essentially identical to trees. — Carl Sagan Copy Share Image
Some racists still reject the plain testimony written in the DNA that all the races are not only human but nearly indistinguishable. . . . — Carl Sagan Copy Share Image
“If you want to save your child from polio, you can pray or you can inoculate. ... Choose science.” — Carl Sagan Copy Share Image
“We are alive and we resonate with idea of life elsewhere, but only careful accumulation and assessment of the evidence can tell… — Carl Sagan Copy Share Image
An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God.… — Carl Sagan Copy Share Image
Discussing the possibilities of extraterrestrial life: I would love it even if they were short, sullen, grumpy and sexually obsessed. But there… — Carl Sagan Copy Share Image
She had studied the universe all her life, but had overlooked its clearest message: For small creatures such as we the vastness… — Carl Sagan Copy Share Image
“Thus, 99 percent of the Earth’s atmosphere is of biological origin. The sky is made by life.” — Carl Sagan Copy Share Image
“On the scale of worlds—to say nothing of stars or galaxies—humans are inconsequential, a thin film of life on an obscure and… — Carl Sagan Copy Share Image
When you look more generally at life on Earth, you find that it is all the same kind of life. There are… — Carl Sagan Copy Share Image
“Nietzsche mourns the loss of “man’s belief in his dignity, his uniqueness, his irreplace-ability in the scheme of existence.” For me, it… — Carl Sagan Copy Share Image
“We live in a vast and awesome universe in which, daily, suns are made and worlds destroyed, where humanity clings to an… — Carl Sagan Copy Share Image
“Science is not only compatible with spirituality; it is a profound source of spirituality. When we recognize our place in an immensity… — Carl Sagan Copy Share Image
“I’m frequently asked, “Do you believe there’s extraterrestrial intelligence?” I give the standard arguments—there are a lot of places out there, the… — Carl Sagan Copy Share Image
“The world is so exquisite with so much love and moral depth, that there is no reason to deceive ourselves with pretty… — Carl Sagan Copy Share Image
But amid much elegance and precision, the details of life and the Universe also exhibit haphazard, jury-rigged arrangements and much poor planning.… — Carl Sagan Copy Share Image
If some good evidence for life after death were announced, I'd be eager to examine it; but it would have to be… — Carl Sagan Copy Share Image
“I'm frequently asked, "Do you believe there's extraterrestrial intelligence?" I give the standard arguments- there are a lot of places out there,… — Carl Sagan Copy Share Image
We are rare and precious because we are alive, because we can think as well as we can. We are privileged to… — Carl Sagan Copy Share Image
“We inhabit a universe where atoms are made in the centers of stars; where each second a thousand suns are born; where… — Carl Sagan Copy Share Image
We need to reduce military budgets; raise living standards; engender respect for learning; support science, scholarship, invention, and industry; promote free inquiry;… — Carl Sagan Copy Share Image
We live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars… — Carl Sagan Copy Share Image
An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God.… — Carl Sagan Copy Share Image
“From this distant vantage point, the Earth might not seem of particular interest. But for us, it's different. Consider again that dot.… — Carl Sagan Copy Share Image
“He argued that we are so helpless at birth that, if the first human infants had been put into the world on… — Carl Sagan Copy Share Image
If there is life, then I believe we should do nothing to disturb that life. Mars then, belongs to the Martians, even… — Carl Sagan Copy Share Image
“But deep down, the the molecular heart of life, the trees and we are essentially identical.” — Carl Sagan Copy Share Image
Life is but a momentary glimpse of the wonder of this astonishing universe, and it is sad to see so many dreaming… — Carl Sagan Copy Share Image
Has there ever been a religion with the prophetic accuracy and reliability of science? . . . No other human institution comes close. — Carl Sagan Copy Share Image
I would be very ashamed of my civilization if we did not try to find out if there is life in outer… — Carl Sagan Copy Share Image
“The nature of life on Earth and the search for life elsewhere are two sides of the same question—the search for who… — Carl Sagan Copy Share Image
“Observation: there was absolutely nothing to see on Venus. Conclusion: it must be covered with life.” — Carl Sagan Copy Share Image
The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together. — Carl Sagan Copy Share Image
It is sometimes said that scientists are unromantic, that their passion to figure out robs the world of beauty and mystery. But is it… — Carl Sagan Copy Share
The prediction of nuclear winter is drawn not, of course, from any direct experience with the consequences of global nuclear war, but rather from… — Carl Sagan Copy Share
The suppression of uncomfortable ideas may be common in religion or in politics, but it is not the path to knowledge; it has no… — Carl Sagan Copy Share
“Telepathy’ literally means to feel at a distance, just as ‘telephone’ is to hear at a distance and ‘television’ is to see at a… — Carl Sagan Copy Share
“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… — Carl Sagan Copy Share
Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies,… — Carl Sagan Copy Share
In our time, we have sifted the sands of Mars, we have established a presence there, we have fulfilled a century of dreams! — Carl Sagan Copy Share
“[ When a religious couple wrote to Sagan about fulfilled prophecies, he wrote back in May 1996 :] If ‘fulfilled prophecy’ is your criterion,… — Carl Sagan Copy Share
“Books permit us to voyage through time, to tap the wisdom of our ancestors. The library connects us with the insight and knowledge, painfully… — Carl Sagan Copy Share
We live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars that make… — Carl Sagan Copy Share
A tiny blue dot set in a sunbeam. Here it is. That's where we live. That's home. We humans are one species and this… — Carl Sagan Copy Share
Any sufficiently crisp question can be answered by a single binary digit-0 or 1, yes or no. — Carl Sagan Copy Share
Humans — who enslave, castrate, experiment on, and fillet other animals — have had an understandable penchant for pretending animals do not feel pain.… — Carl Sagan Copy Share
