More quotes by Carl Sagan

"Somewhere, something incredible is waiting to be known."
"We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good."
"A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism."
"[When a religious couple wrote to Sagan about fulfilled prophecies, he wrote back in May 1996:]If ‘fulfilled prophecy’ is your criterion, why do you not believe in materialistic science, which has an unparalleled record of fulfilled prophecy? Consider, for example, eclipses."
"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."