Carl Sagan on Doubt
When you make the finding yourself - even if you're the last person on Earth to see the light - you'll never forget it.
Carl Sagan on Genius
But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.