Famous Quotes by Carl Sagan

“We are star stuff harvesting sunlight.”

Carl Sagan

“A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.”

Carl Sagan

“The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself.”

Carl Sagan

“I think the discomfort that some people feel in going to the monkey cages at the zoo is a warning sign.”

Carl Sagan