Organic as a dandelion seed, [the ship of our imagination] will carry us to worlds of dreams and worlds of facts
Carl SaganHuman history can be viewed as a slowly dawning awareness that we are members of a larger group.
Carl SaganPhilosophers and scientists confidently offer up traits said to be uniquely human, and the monkeys and apes casually knock them down -- toppling the pretension that humans constitute some sort of biological aristocracy among the beings on Earth.
Carl Sagan