"Whatever you may say something is, it is not!"
— A. Korzybski

"'Always' and 'never' are two words you should always remember never to use."
— M. Kendig

"The trouble with the world is not that people know too little, but that they know so many things that ain't so."
— Mark Twain

"Just because nobody complains doesn't mean all parachutes are perfect."
— Benny Hill