
A man must be big enough to admit his mistakes, smart enough to profit from them, and strong enough to correct them.
John C. Maxwell
mrt
18
2013

A man must be big enough to admit his mistakes, smart enough to profit from them, and strong enough to correct them.
John C. Maxwell
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There are no separate systems. Where to draw a boundary depends on the questions we want to ask. Donella H. Meadows |
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Hoe krijg ik ze zover? Bij Managementboek |