Carl Sagan

We've arranged a civilization in which most crucial elements profoundly depend on science and technology.

We've arranged a civilization in which most crucial elements profoundly depend on science and technology.

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

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

All of the books in the world contain no more information than is broadcast as video in a single large read more

All of the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value.

Extraordinary claims require extraordinary evidence.

Extraordinary claims require extraordinary evidence.

But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. read more

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.