Repeat your winners. If you are lucky enough to write a good advertisement, repeat it until it stops selling. Scores of good advertisements have been discarded before they lost their potency.
David OgilvyViewers have a way of remembering the celebrity while forgetting the product. I did not know this when I paid Eleanor Roosevelt $35,000 to make a commercial for margarine. She reported that her mail was equally divided. "One half was sad because I had damaged my reputation. The other half was happy because I had damaged my reputation." Not one of my proudest memories.
David Ogilvy