These days there seems to be nowhere left to explore, at least on the land area of the Earth. Victims of their very success, the explorers now pretty much stay home. — Carl Sagan Copy Share Image
“These days, there seems to be nowhere left to explore. Victims of their very success, the explorers now, pretty much, stay home. Maybe it's a little early- maybe the time is not quite yet- but those other worlds, promising untold… — Carl Sagan Copy Share Image
