List of quotes from John D. Rockefeller
"Singleness of purpose is one of the chief essentials for success in life, no matter what may be one's aim."
by John D. Rockefeller
"Giving is the secret of a healthy life. Not necessarily money, but whatever a person has of encouragement, sympathy and understanding."
by John D. Rockefeller
"I always tried to turn every disaster into an opportunity."
by John D. Rockefeller