My definition of an expert in any field is a person who knows enough about what’s really going on to be scared.
P. J. Plauger
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16
2014
My definition of an expert in any field is a person who knows enough about what’s really going on to be scared.
P. J. Plauger
Concentration is the key to economic results. No other principles of effectiveness is violated as constantly today as the basic principle of concentration Peter Drucker |
Creative Acts for Curious People Bij Bol.com | Managementboek
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