“Courteous treatment will make a customer a walking advertisement.”
“Satisfied customer is the best source of advertisement”
“You are a walking billboard, what are you advertising?”
“... when a poor man's wronged, he becomes a very difficult customer. To start with, he gets a lot of sympathy: and then he takes his bad treatment not just as an injury, but as a personal insult.”
“Thank your customer for complaining and mean it. Most will never bother to complain. They'll just walk away.”
“School is the advertising agency which makes you believe that you need the society as it is.”