Extraordinary claims require extraordinary evidence.
CARL SAGANThe truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what’s true.
More Carl Sagan Quotes
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We are all stardust.
CARL SAGAN -
If 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 SAGAN -
Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
CARL SAGAN -
Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
CARL SAGAN -
Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
CARL SAGAN -
The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
CARL SAGAN -
Except in pure mathematics, nothing is known for certain (although much is certainly false).
CARL SAGAN -
Any faith that admires truth, that strives to know God, must be brave enough to accommodate the universe.
CARL SAGAN -
The price we pay for anticipation of the future is anxiety about it.
CARL SAGAN -
Not explaining science seems to me perverse. When you’re in love, you want to tell the world.
CARL SAGAN -
The significance of our lives and our fragile planet is then determined only by our own wisdom and courage.
CARL SAGAN -
Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
CARL SAGAN -
Science is a way to not fool ourselves.
CARL SAGAN -
Books permit us to voyage through time, to tap the wisdom of our ancestors.
CARL SAGAN -
The 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 SAGAN