“Giving is the secret to a healthy life. Not necessarily money, but whatever a person has to give of encouragement, sympathy, and understanding.”

“The way to make money is to buy when blood is running in the streets.”

“Good leadership consists of showing average people how to do the work of superior people.”

“If your only goal is to become rich, you will never achieve it.”

“I'm glad I wrote the book to show what I found out about the [ Standard Oil Company]. I'm glad many people read my book and found out the truth.”

“Enthusiasm is the engine of success.”

“Enthusiasm is the mother of effort, and without it nothing great was ever achieved.”

“Activity is contagious.”