
Mistakes are painful when they happen, but years later a collection of mistakes is what is called experience.
Denis Waitley
jan
29
2013

Mistakes are painful when they happen, but years later a collection of mistakes is what is called experience.
Denis Waitley
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There is nothing so practical as a good theory. Kurt Lewin |
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Advieskunst Bij Bol.com | Managementboek
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