Half the money I spend on advertising is wasted; the trouble is I don't know which half.
One may walk over the highest mountain one step at a time.
Keep up the old standards, and day by day raise them higher.
Courtesy is the one coin you can never have too much of or be stingy with.
Courtesies cannot be borrowed like snow shovels; you must have some of your own.
In writing advertising it must always be kept in mind that the customer often knows more about the goods than the advertising writers because they have had experience in buying them.