The prediction I can make with the highest confidence is that the most amazing discoveries will be the ones we are not today wise enough to foresee.
Carl SaganWe on Earth have just awakened to the great oceans of space and time from which we have emerged.
Carl SaganThere is every reason to think that in the coming years Mars and its mysteries will become increasingly familiar to the inhabitants of the Planet Earth.
Carl SaganA new consciousness is developing which sees the earth as a single organism and recognizes that an organism at war with itself is doomed. We are one planet.
Carl Sagan