La vida es sólo un vistazo momentáneo de las maravillas de este asombroso universo, y es triste que tantos la estén malgastando soñando con fantasías espirituales
By Carl Sagan
En la Ciencia la única verdad sagrada, es que no hay verdades sagradas
By Carl Sagan
Somos la forma en la que el cosmos se conoce a sí mismo
By Carl Sagan
A veces creo que hay vida en otros planetas, y a veces creo que no. En cualquiera de los dos casos la conclusión es asombrosa
By Carl Sagan
My favorite color: "A pale blue dot suspended in a sunbeam...
By Carl Sagan
A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.
By Carl Sagan
The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself.
By Carl Sagan
In all our searching, the only thing we've found that makes the emptiness bearable is each other.
By Carl Sagan
In the vastness of space and the immensity of time, it is my joy to share a planet and an epoch with Annie.
By Carl Sagan
Life is but a momentary glimpse of the wonder of this astounding universe, and it is sad to see so many dreaming it away on spiritual fantasy.
By Carl Sagan
The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.
By Carl Sagan
I would suggest that science is, at least in my part, informed worship.
By Carl Sagan
The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.
Carl Sagan