Carl Sagan
Explore wisdom and insights from Carl Sagan
"Science is the most powerful tool we have for understanding the world, but it is not the only tool."
Carl Sagan
Attributed
"All civilizations become either spacefaring or extinct."
Carl Sagan
Attributed
"For small creatures such as we, the vastness is bearable only through love."
Carl Sagan
Attributed
"To understand the cosmos, you must know that we are star stuff contemplating the stars."
Carl Sagan
Attributed
"The absence of evidence is not the evidence of absence."
Carl Sagan
Attributed
"Science is a way of thinking much more than it is a body of knowledge."
Carl Sagan
Attributed
"Extraordinary claims require extraordinary evidence."
Carl Sagan
Attributed
"Somewhere, something incredible is waiting to be known."
Carl Sagan
Attributed
"The cosmos is a vast living body of which we are still vanishingly small parts."
Carl Sagan
"We are a way for the cosmos to know itself."
Carl Sagan