Peter Drucker about Knowledge : Knowledge has to be improved challenged

Knowledge has to be improved challenged and increased constantly or it vanishes.

knowledge improved challenged increased constantly vanishes

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Quotes By Peter Drucker

Work

So much of what we call management consists in making it difficult for people...
Work

The productivity of work is not the responsibility of the worker but of the...
Time

Management by objective works - if you know the objectives. Ninety percent of...
Teacher

Teaching is the only major occupation of man for which we have not yet...
Strength

My greatest strength as a consultant is to be ignorant and ask a few questions.

Quotes About Knowledge