"Laughter is by definition healthy."  ~Doris Lessing
"Man is distinguished from all other creatures by the faculty of laughter."  ~Joseph Addison
"You can't deny laughter; when it comes, it plops in your favorite chair and stays as long as it wants."  ~Stephen King
"You don't stop laughing because you grow old.  You grow old because you stop laughing."  ~Michael Pritchard
"Laughter is the closest distance between two people."  ~Victor Borge
"I was irrevocable betrothed to laughter, the sound of which has always seems to me to be the most civilized music in the world."  ~Peter Ustinov
"The human race has one really effective weapon, and that is laughter."  ~Mark Twain