My Life in Advertising My Life in Advertising is written by Claude C. Hopkins. He was the widely known as the father of Advertising. This is his autobiography. He shared his experiences in advertising industry. Never try to show off. You are selling your product, not yourself. Do nothing to cloud your objective. Use the shortest words possible. Let every phrase ring with sincerity. From start to finish offer service. That is what you selling, that is all your prospect wants. Weigh every sentence on that basis. Waste no space, no money to any other end. I have seen many an ad. killed by a single unfortunate phrase. Usually a selfish phrase, indicating ulterior desires which repel. Phrases like "Insist on this brand," "Avoid imitations," "Look out for substitution." Such appeals have no good effect, and they indicate a motive with which buyers cannot sympathize.