Carl made me want to be the best human being I could be. — Ann Druyan

The vastness of the universe-and love, the thing that makes the vastness bearable-is out of reach to the arrogant.

When we fell in love, it was like discovering a new world. It was one that I had hoped was possible but had never been to before.

We have known about the dangers we pose to ourselves for decades and yet we continue sleepwalking toward a grim future, somehow numb to what it will mean for our children and theirs. Almost every depiction of our world's future in popular culture is a dystopian vision of a planet piled high with garbage, a ruined wasteland. They are accurate reflections of the fear in our hearts. But if dreams are maps, could a great dream of our future possibly help us find our way out of this nightmare?