“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.”

“A friendship founded on business is better than a business founded on friendship.”

“The nature of bad news affects the teller.”

“Be to yourself as you would to your friend.”

“One touch of nature makes the whole world kin.”