David Letterman

“If it weren't for the coffee, I'd have no identifiable personality whatsoever.”

“There is no off position on the genius switch.”

“Fall is my favorite season in Los Angeles, watching the birds change color and fall from the trees.”

“Anything worth doing is worth overdoing.”

“I have found that the only thing that does bring you happiness is doing something you really love.”

“Traffic signals in New York are just rough guidelines.”

“There's only one requirement of any of us, and that is to be courageous.”

“I'm just trying to make a smudge on the collective unconscious.”

“The worst-kept secret in America is that people are not stupid.”

“Power corrupts, and obsolete power corrupts obsoletely.”

“All you can do in this life is follow your dreams. Otherwise you're just wasting your time.”

“The worst thing a kid can say about homework is that it is too hard. The worst thing a kid can say about a game is it's too easy.”