
Het is vaak wat we al weten dat ons verhindert te leren.
Claude Bernhard
mrt
07
2018
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Believe it can be done. When you believe something can be done, really believe, your mind will find the ways to do it. Believing a solution paves the way to solution. Dr. David Schwartz (auteur van"The Magic of Thinking Big") |
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Timemanagement volgens Covey Bij Bol.com | Managementboek
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