John D. Rockefeller Quote: No.23
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Singleness of purpose is one of the chief essentials for success in life, no matter what may be one's aim. John D. Rockefeller | Refcard PDF ↑
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- Name:
- John D. Rockefeller (random)
- Books & Videos:
- John D. Rockefeller Books & Videos
- Type:
- Businessman
- Nationality:
- American
- Birth Date / Year:
- July 8, 1839
- Death Date / Year:
- May 23, 1937
