Wikiquote:Quote of the day/November 9, 2011
Jump to navigation
Jump to search
|
.svg){kind=small} Since, in the long run, every planetary society will be endangered by impacts from space, every surviving civilization is obliged to become spacefaring — not because of exploratory or romantic zeal, but for the most practical reason imaginable: staying alive. ~ Carl Sagan ~ .svg){kind=spacer}
|
 
|