Never write an advertisement which you wouldn't want your family to read. You wouldn't tell lies to your own wife. Don't tell them to mine.
David OgilvyWhy should a manufacturer bet his money, perhaps the future of his company, on your instinct?
David OgilvyNobody should be allowed to create general advertising until he has served his apprenticeship in direct-response
David OgilvyThe relationship between a manufacturer and his advertising agency is almost as intimate as the relationship between a patient and his doctor. Make sure that you can life happily with your prospective client before you accept his account.
David Ogilvy