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The secret of change is to focus all of your energy, not on fighting the old but on building the new.
Socrates
juli
12
2014
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The secret of change is to focus all of your energy, not on fighting the old but on building the new.
Socrates
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Time is free, but it's priceless. You can't Harvey MacKay |
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PEP - Het persoonlijk efficiency programma Bij Bol.com | Managementboek |