John D. Rockefeller — "I have no desire to make a great display. I want to save money."

"The greatest pleasure in life is doing what people say you cannot do."

"A friendship founded on business is better than a business founded on friendship."

"I believe in the sacredness of a promise, that a man's word should be as good as his bond; that character, not wealth or power, is the supreme thing."

"I was early taught to work as well as play. My life has been one long, happy holiday; Full of work and full of play— I dropped the worry on the way— And God was good to me every day."

"Singleness of purpose is one of the chief essentials for success in life, no matter what may be one's aim."