While internal operations keep a business alive, its external reputation determines whether it thrives. Persistent advertising of genuine goods bridges the gap between product and market, but only Integrity makes the compounding work; fraudulent goods accelerate destruction. Each customer encounter either builds or depletes goodwill, and politeness, kindness, and charitable giving convert individual transactions into enduring patronage. Beneath all of these stands integrity itself, which Barnum elevates above every other principle, honesty opens the credit of an entire community, while dishonesty, once discovered, closes nearly every door.