There isn’t any significant difference between the various brands of whiskey, or cigarettes or beer. They are all about the same. And so are the cake mixes and the detergents, and the margarines… The manufacturer who dedicates his advertising to building the most sharply defined personality for his brand will get the largest share of the market at the highest profit.
David OgilvyRepeat 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 Ogilvy