Few scientists now dispute that today's soaring levels of carbon dioxide and other gases in the atmosphere will cause global temperature averages… — Carl Sagan Copy Share Image
In science it often happens that scientists say, "You know that's a really good argument; my position is mistaken..." — Carl Sagan Copy Share Image
Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system… — Carl Sagan Copy Share Image
One of the great commandments of science is, 'Mistrust arguments from authority'. (Scientists, being primates, and thus given to dominance hierarchies, of… — Carl Sagan Copy Share Image
[N]o scientist likes to be criticized. ... But you don't reply to critics: "Wait a minute, wait a minute; this is a… — Carl Sagan Copy Share Image
My parents were not scientists. They knew almost nothing about science. But in introducing me simultaneously to skepticism and to wonder, they… — Carl Sagan Copy Share Image
Who is more humble? The scientist who looks at the universe with an open mind and accepts whatever the universe has to… — Carl Sagan Copy Share Image
It is the responsibility of scientists never to suppress knowledge, no matter how awkward that knowledge is, no matter how it may… — Carl Sagan Copy Share Image
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they… — 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… — Carl Sagan Copy Share Image
Scientists can routinely predict a solar eclipse, to the minute, a millennium in advance. You can go to the witch doctor to… — Carl Sagan Copy Share Image
Scientists constantly get clobbered with the idea that we spent 27 billion dollars on the Apollo programs, and are asked "What more… — Carl Sagan Copy Share Image
In exchange for freedom of inquiry, scientists are obliged to explain their work. — Carl Sagan Copy Share Image
The politicians and the religious leaders and the weapons scientists have been at it for a long time and they've made a… — Carl Sagan Copy Share Image
Scientists make mistakes. Accordingly, it is the job of the scientist to recognize our weakness, to examine the widest range of opinions,… — Carl Sagan Copy Share Image
In a lot of scientists, the ratio of wonder to skepticism declines in time. That may be connected with the fact that… — Carl Sagan Copy Share Image
Philosophers and scientists confidently offer up traits said to be uniquely human, and the monkeys and apes casually knock them down --… — 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 Image
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 Image
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 Image
“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 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 solitary lump… — Carl Sagan Copy Share Image
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 Image
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 Image
“[ 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 Image
“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 Image
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 Image
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 Image
![“[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…” quote by Carl Sagan](https://sms4smile.com/quotes/img-quotes/bbf/carl-sagan-160_criticism_n-o-scientist-likes-to-be-criticized-but_877385.jpg)
![“[ When a religious couple wrote to Sagan about fulfilled prophecies, he wrote back in May 1996 :] If ‘fulfilled prophecy’ is your criterion, why do you not believe in materialistic science, which has an unparalleled record of fulfilled prophecy? Consider, for example, eclipses.” quote by Carl Sagan](https://sms4smile.com/quotes/img-quotes/875/carl-sagan-160_belief_when-a-religious-couple-wrote-to-sagan-a_25095.jpg)
