On 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. HopkinsScientific advertising has altered many old plans and conceptions. It has proved many long established methods to be folly
Claude C. Hopkins"Best in the world," "lowest price in existence, " etc are at best claiming the expected. But superlative of that sort are usually damaging. They suggestion looseness of expression, a tendency to exaggerate, a careless truth. They lead readers to discount all the statements that you make
Claude C. Hopkins