Carl Sagan
No other planet in the solar system is a suitable home for human beings; it's this world or nothing. That's a very powerful perception.
More quotes and aphorisms
Terrorism will spill over if you don't speak up...I think one of the most important things...I wish people would realize that animals are totally...I've played some gangster roles...Character is like a tree and reputation like a shadow...So I'm more at home with my backpack...