Carl Sagan

Carl Edward Sagan was an American astronomer, astrophysicist, cosmologist, author, science popularizer, and science communicator in space and natural sciences. During his lifetime, he published more than 600 scientific papers and popular articles and was author, co-author, or editor of more than 20 books. In his works, he advocated scientifically skeptical inquiry and the scientific method, pioneered exobiology and promoted the Search for Extra-Terrestrial Intelligence (SETI).

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We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.

Carl Sagan

Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.

Carl Sagan

Extraordinary claims require extraordinary evidence.

Carl Sagan

But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.

Carl Sagan

Science is a way of thinking much more than it is a body of knowledge.

Carl Sagan

Somewhere, something incredible is waiting to be known.

Carl Sagan

Imagination will often carry us to worlds that never were, but without it we go nowhere.

Carl Sagan

Science is not only compatible with spirituality; it is a profound source of spirituality.

Carl Sagan