"Physics is like sex. Sure, it may give some practical results, but that's not why we do it."
— Richard P. Feynman

"You need to read more science fiction. Nobody who reads science fiction comes out with this crap about the end of history"
— Iain M. Banks

"The difference between genius and stupidity is; genius has its limits."
— Albert Einstein

"If you can't explain it to a six year old, you don't understand it yourself."
— Albert Einstein

"The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."
— Stephen W. Hawking

"I'm a misunderstood genius."
"What's misunderstood?"
"Nobody thinks I'm a genius."
— Bill Watterson