More quotes by Carl Sagan

"I don't want to believe. I want to know."
"You could just as well say that an agnostic is a deeply religious person with at least a rudimentary knowledge of human fallibility."
"Somewhere, something incredible is waiting to be known."
"If it can be destroyed by the truth, it deserves to be destroyed by the truth."
"A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism."