Extraordinary claims require extraordinary evidence.
In plain words
The wilder the claim, the better the proof had better be.
Where these words come from
- 87% sureThese words were traced back to where they first appeared. That source is listed below.
- Broca's Brain (1979), Chapter 5 "Night Walkers and Mystery Mongers," p. 73
- 1979
More from Carl Sagan
See allThe cosmos is within us. We are made of star-stuff.
Carl SaganScience is a way of thinking much more than it is a body of knowledge.Carl SaganFor small creatures such as we, the vastness is bearable only through love.Carl SaganWe are ready at last to set sail for the stars.Carl SaganImagination will often carry us to worlds that never were.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
Carl SaganScience is a way of thinking much more than it is a body of knowledge.Carl SaganFor small creatures such as we, the vastness is bearable only through love.Carl SaganWe are ready at last to set sail for the stars.Carl SaganImagination will often carry us to worlds that never were.Carl SaganThe beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.Carl SaganMore on science
Give me a lever long enough and a fulcrum on which to place it, and I shall move the world.
ArchimedesOf all lines which have the same extremities the straight line is the least.ArchimedesIf I have seen further it is by standing on the shoulders of giants.
Isaac NewtonI love fools' experiments. I am always making them.
Charles DarwinThe universe is under no obligation to make sense to you.
Neil deGrasse TysonNot only are we in the universe, the universe is in us.Neil deGrasse Tyson
ArchimedesOf all lines which have the same extremities the straight line is the least.ArchimedesIf I have seen further it is by standing on the shoulders of giants.Isaac NewtonI love fools' experiments. I am always making them.Charles DarwinThe universe is under no obligation to make sense to you.Neil deGrasse TysonNot only are we in the universe, the universe is in us.Neil deGrasse Tyson