"There is no advertisement as powerful as a positive reputation traveling fast."
"Never write an advertisement which you wouldn't want your family to read. You wouldn't tell lies to your own wife. Don't tell them to mine."
"As with the Christian religion, the worst advertisement for Socialism is its adherents."
"A store's best advertisement is the service its goods render, for upon such service rest the future, the good-will, of an organization."
"The most excellent and divine counsel, the best and most profitable advertisement of all others, but the least practiced, is to study and learn how to know ourselves. This is the foundation of wisdom and the highway to whatever is good."