In order to have a decent chance to be a communicating species, you would have to learn to think and plan and… — David Grinspoon Copy Share Image
The intelligent minority of this world will mark 1 January 2001 as the real beginning of the 21st century and the Third Millennium. — Arthur C. Clarke Copy Share Image
Behind it all is surely an idea so simple, so beautiful, that when we grasp it - in a decade, a century,… — John Archibald Wheeler Copy Share Image