| Quotes on Advertising |
| Sinclair Lewis | "Advertising is a valuable economic factor because it is the cheapest way of selling goods, especially if they are worthless." |
| Sears, Roebuck, and Co. 1897 | "If you don't find it in the index, look very carefully through the entire catalogue." |
| Jacques Sequela | "Don't tell my mother I work in an advertising agency. She thinks I play piano in a whorehouse." |
| Unknown | "Advertising may be described as the science of arresting human intelligence long enough to get money from it." |