Carl Sagan Quotes.
I’ve written a number of books that have to do with the evolution of humans, human intelligence, human emotions.
We start out a million years ago in a small community on some grassy plain; we hunt animals, have children, and develop a rich social, sexual, and intellectual life, but we know almost nothing about our surroundings.
Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense.
If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
Imagination will often carry us to worlds that never were. But without it we go nowhere.
Even these stars, which seem so numerous, are as sand, as dust – or less than dust – in the enormity of the space in which there is nothing.
Most of the people that I deal with are human. So I’ve had a lot of experience with that.
The absence of evidence is not the evidence of absence.
Somewhere, something incredible is waiting to be known.
When you make the finding yourself – even if you’re the last person on Earth to see the light – you’ll never forget it.
No other planet in the solar system is a suitable home for human beings; it’s this world or nothing. That’s a very powerful perception.
The boundary between space and the earth is purely arbitrary. And I’ll probably always be interested in this planet – it’s my favorite.
Better the hard truth, I say, than the comforting fantasy.
Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
Extinction is the rule. Survival is the exception.
Science is not only compatible with spirituality; it is a profound source of spirituality.
The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what’s true.
