Good copy can't be written with tongue in cheek, written just for a living. You've got to believe in the product.
David OgilvyA consumer is not a moron. She's your wife. Don't insult her intelligence, and don't shock her.
David OgilvyThe mission of a great school is not to cram you with facts so that you can regurgitate them...This gives many boys such a distaste for learning that they never read another book as long as they live. No, the mission is to inspire you with a taste for scholarship - a taste which will last you all your life.
David Ogilvy