"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. HopkinsThe time has come when advertising has in some hands reached the status of a science.
Claude C. HopkinsA man coined to superlative must expect that his every statement will be taken with some caution
Claude C. Hopkins