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The correct assumption is that what individuals have learned by age twenty-one will begin to become obsolete five to ten years later and will have to be replaced-or at least refurbished-by new learning, new skills, new knowledge.
Peter Drucker
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Peter Drucker
Age: 95 †
Born: 1909
Born: November 19
Died: 2005
Died: November 11
Author
Businessperson
Columnist
Economist
Journalist
Lawyer
Philosopher
Sculptor
University Teacher
Writer
Vienna
Austria
Peter F. Drucker
Peter Ferdinand Drucker
Five
Individuals
Age
Ten
Knowledge
Later
Obsolete
Individual
Skills
Replaced
Become
Begin
Assumption
Years
Learned
Correct
Learning
Twenty
Least
Twenties
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What we are good at comes easy, and we believe that unless it comes hard, it can't be very good.
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The first organization structure in the modern West was laid down in the canon law of the Catholic Church eight hundred years ago.
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Profit is not the explanation, cause, or rationale of business behavior and business decisions, but the test of their validity.
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Few companies that installed computers to reduce the employment of clerks have realized their expectations... They now need more, and more expensive clerks even though they call them 'operators' or 'programmers.'
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