More quotes by Carl Sagan

"A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism."
"In that case, on behalf of Earthlife, I urge that, with full knowledge of our limitations, we vastly increase our knowledge of the Solar System and then begin to settle other worlds."
"We are star stuff harvesting sunlight."
"Somewhere, something incredible is waiting to be known."
"We've arranged a civilization in which most crucial elements profoundly depend on science and technology. We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster."