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

Tags: #John D Rockefeller #lifestyle #goals #success #life #Rockefeller

Tags: #John D Rockefeller #life #thought #Rockefeller #inspire #success

Tags: #John D Rockefeller #success #perseverance #mindset #goals #Rockefeller