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.

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

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

Extraordinary claims require extraordinary evidence.

Extraordinary claims require extraordinary evidence.

All inquires carry with them some element of risk. There is no guarantee that the universe will conform to our read more

All inquires carry with them some element of risk. There is no guarantee that the universe will conform to our predispositions.

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.