No single step in the persuit of enlightenment should ever be considered sacred; only the search was.

This planet seems to be in such sorry shape. And I can't ever think about the rest of the universe without coming back home and thinking what the implications for life here would be if we were to really have some definitive proof of extraterrestrial life.

And what greater might do we possess as human beings than our capacity to question and to learn?

Interviewer: "Didn't [Sagan] want to believe?" Druyan: "He didn't want to believe. He wanted to know.

No single step in the persuit of enlightenment should ever be considered sacred; only the search was.

My knowledge of science came from being with Carl, not from formal academic training. Carl gave me a thrilling tutorial in science and math that lasted the 20 years we were together.

Science has the cold facts, but lacks religion's social organization and ability to inspire that moves people to act.