We make our world significant by the courage of our questions and the depth of our answers.
CARL SAGANWe make our world significant by the courage of our questions and the depth of our answers.
CARL SAGANExtraordinary claims require extraordinary evidence.
CARL SAGANNot explaining science seems to me perverse. When you’re in love, you want to tell the world.
CARL SAGANYou have to know the past to understand the present.
CARL SAGANOne glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.
CARL SAGANNot all birds can fly. What separates the flyers from the walkers is the ability to take off.
CARL SAGANNature is always more subtle, more intricate, more elegant than what we are able to imagine.
CARL SAGANThe visions we offer our children shape the future.
CARL SAGANWhen we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
CARL SAGANIf we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
CARL SAGANI consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.
CARL SAGANWriting is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.
CARL SAGANWe live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
CARL SAGANImagination will often carry us to worlds that never were, but without it we go nowhere.
CARL SAGANIf it can be destroyed by the truth, it deserves to be destroyed by the truth.
CARL SAGANI would suggest that science is, at least in my part, informed worship.
CARL SAGAN