Carl Sagan

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.

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

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

Extraordinary claims require extraordinary evidence.

Extraordinary claims require extraordinary evidence.

The universe is not required to be in perfect harmony with human ambition. . -Carl Sagan.

The universe is not required to be in perfect harmony with human ambition. . -Carl Sagan.