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  • John D. Rockefeller Quote - Do not many of us who fail to achieve big things fail because we lack concentration-the art of concentrating the mind on the thing to be done at the proper time and to the exclusion of everything else? Download This Image
  • John D. Rockefeller Quote - Do not many of us who fail to achieve big things fail because we lack concentration-the art of concentrating the mind on the thing to be done at the proper time and to the exclusion of everything else?
  • John D. Rockefeller Quote - Do not many of us who fail to achieve big things fail because we lack concentration-the art of concentrating the mind on the thing to be done at the proper time and to the exclusion of everything else?
  • John D. Rockefeller Quote - Do not many of us who fail to achieve big things fail because we lack concentration-the art of concentrating the mind on the thing to be done at the proper time and to the exclusion of everything else?
  • John D. Rockefeller Quote - Do not many of us who fail to achieve big things fail because we lack concentration-the art of concentrating the mind on the thing to be done at the proper time and to the exclusion of everything else?
  • John D. Rockefeller Quote - Do not many of us who fail to achieve big things fail because we lack concentration-the art of concentrating the mind on the thing to be done at the proper time and to the exclusion of everything else?
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Do not many of us who fail to achieve big things fail because we lack concentration-the art of concentrating the mind on the thing to be done at the proper time and to the exclusion of everything else?

John D. Rockefeller

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