Singleness of purpose is one of the chief essentials for success in life, no matter what may be one's aim.
aim chief essential
John D. Rockefeller
These are some quotes by American author John D. Rockefeller Businessman, who lived between July 8, 1839 and May 23, 1937.
Quotes by John D. Rockefeller
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I doubt very much that the chief executives of any of the Fortune 500 corporations can name five edible plants, five native grasses, or five migratory birds within walking distance of their homes, or name the soil series upon which their house sits. And I would contend that if you don't know where you are, you are in fact nowhere at all.