John D. Rockefeller — "Singleness of purpose is one of the chief essentials for success in life, no mat…"
Singleness of purpose is one of the chief essentials for success in life, no matter what may be one's aim.
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More from John D. Rockefeller
"If you want to succeed you should strike out on new paths, rather than travel the worn paths of accepted success."
"I have never met a man who was so ignorant that I couldn’t learn something from him."
"The road to happiness lies in two simple principles: find what it is that interests you and that you can do well, and put your whole soul into it."
"I know of no other single thing that does so much to broaden the mind and enlarge the understanding as travel."
"I have ways of making money that you know nothing of."
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