What is a good advertisement? An advertisement which pleases you because of its style, or an advertisement which sells the most? They are seldom the same.
David OgilvyRemove advertising, disable a person or firm from proclaiming its wares and their merits, and the whole of society and of the economy is transformed. The enemies of advertising are the enemies of freedom.
David OgilvyTo advertisers: "Do not compete with your agency in the creative area. Why keep a dog and bark yourself?"
David Ogilvy