"Genius doesn't work on an assembly line basis. You can't simply say. 'Today I will be brilliant."
-- James T. Kirk [Star Trek] "the Ultimate Computer" 
"When a true genius appears in the world, you may know him by this sign, that the dunces are all in the confederacy against him." - Jonathan Swift 
"Give me a museum and I'll fill it." - Pablo Picasso 
"One of the symptoms of an approaching nervous breakdown is the belief that one's work is terribly important."  -- Bertrand Russell. 
"The graveyards are full of indispensable men." -- Charles de Gaulle 
"Only two things are infinite, the universe and human stupidity, and I'm not sure about the former."

-- Albert Einstein 
"Any man whose errors take ten years to correct is quite a man."

-- Robert Oppenheimer, speaking of Albert Einstein