Platitudes and generalities roll off the human understanding like water from a duck.
Claude C. HopkinsScientific advertising has altered many old plans and conceptions. It has proved many long established methods to be folly
Claude C. HopkinsEvery reader of your ad is interested, else he would not be a reader. You are dealing with someone willing to listen. Then do your level best. That reader, if you lose him now, May never again be a reader
Claude C. HopkinsOn most lines, making a sale without making a convert does not count for much. Sales made by conviction - by advertising - are likely to bring permanent customers. People who buy through casual recommendations often do not stick
Claude C. Hopkins