Pour réussir dans la science, il faut douter; pour réussir dans la vie, il faut être sûr. To succeed in science, one must doubt; to succeed in life, one must be sure.

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• Henry Ford

  Industrialist

  Thursday, Jul 30, 1863
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• Voltaire

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• Jean De La Bruyere

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• Joe Biden

  Vice President Of The United States

  Friday, Nov 20, 1942
  

• George Carlin

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• Leonardo Da Vinci

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• Napoleon Hill

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• Aldous Huxley

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• Johann Wolfgang Von Goethe

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  Thursday, Aug 28, 1749
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• Les Brown

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• John Lewis

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  Wednesday, Feb 21, 1940
  

• Henry David Thoreau

  Author

  Saturday, Jul 12, 1817
  Tuesday, May 06, 1862

• Peter Drucker

  Author

  Friday, Nov 19, 1909
  Friday, Nov 11, 2005

• Dwight D. Eisenhower

  34Th U.s. President

  Tuesday, Oct 14, 1890
  Friday, Mar 28, 1969