
The most serious mistakes are not being made as a result of wrong answers. The true dangerous thing is asking the wrong question.
Peter Drucker
mei
02
2011

The most serious mistakes are not being made as a result of wrong answers. The true dangerous thing is asking the wrong question.
Peter Drucker
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Be like a postage stamp, stick to one thing until you get there. Josh Billings |
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Getting Things Done Bij Bol.com | Managementboek |