Not explaining science seems to me perverse. When you're in love, you want to tell the world.
Carl SaganEach of us is a tiny being, permitted to ride on the outermost skin of one of the smaller planets for a few dozen trips around the local star.
Carl SaganAt the extremes it is difficult to distinguish pseudoscience from rigid, doctrinaire religion.
Carl SaganHe sought a way to preserve the past. John Hershel was one of the founders of a new form of time travel.... a means to capture light and memories. He actually coined a word for it... photography. When you think about it, photography is a form of time travel. This man is staring at us from across the centuries, a ghost preserved by light.
Carl Sagan