Extraordinary claims require extraordinary evidence.
CARL SAGANExtraordinary claims require extraordinary evidence.
CARL SAGANYou have to know the past to understand the present.
CARL SAGANWe live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
CARL SAGANStars are phoenixes, rising from their own ashes.
CARL SAGANPeople are not stupid. They believe things for reasons.
CARL SAGANHuman beings have a demonstrated talent for self-deception when their emotions are stirred.
CARL SAGANBooks break the shackles of time, proof that humans can work magic.
CARL SAGANIf I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries of our time. The trick is to know which books to read.
CARL SAGANOur species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
CARL SAGANPerhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
CARL SAGANWe make our world significant by the courage of our questions and the depth of our answers.
CARL SAGANA book is made from a tree. It is an assemblage of flat, flexible parts (still called “leaves”) imprinted with dark pigmented squiggles.
CARL SAGANThe nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.
CARL SAGANWe can’t help it. Life looks for life.
CARL SAGANWhere we have strong emotions, we’re liable to fool ourselves.
CARL SAGANThe beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.
CARL SAGAN