I’ve written a number of books that have to do with the evolution of humans, human intelligence, human emotions. Carl Sagan Read Quote
We are not without empathetic terror when we open Pascal’s ‘Pensees’ and read, ‘I am the great silent spaces between worlds.’ Carl Sagan Read Quote
The professed function of the nuclear weapons on each side is to prevent the other side from using their nuclear weapons. If that’s all it is, then we’ve gotta as: how many nuclear weapons do you need to do that? Carl Sagan Read Quote
The boundary between space and the earth is purely arbitrary. And I’ll probably always be interested in this planet – it’s my favorite. Carl Sagan Read Quote
Most of the people that I deal with are human. So I’ve had a lot of experience with that. Carl Sagan Read Quote
You probably don’t need more weapons than what’s required to destroy every city on earth. There’s only 2,300 cities. So, the United States, by that criteria, only needs 2,300 nuclear weapons – well, we’ve got more than 25,000! Carl Sagan Read Quote
We hunger to understand, so we invent myths about how we imagine the world is constructed – and they’re, of course, based upon what we know, which is ourselves and other animals. So we make up stories about how the world was hatched from a cosmic egg or created after the mating of cosmic deities or by some fiat of a powerful being. Carl Sagan Read Quote
I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students. Carl Sagan Read Quote
For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring. Carl Sagan Read Quote
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. Carl Sagan Read Quote
