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.
No mistake or failure is as bad as to stop and not try again.
Nothing comes merely by thinking about it.
One may walk over the highest mountain one step at a time.
Courtesies cannot be borrowed like snow shovels; you must have some of your own.
Keep up the old standards, and day by day raise them higher.