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All truths are easy to understand once they are discovered; the point is to discover them.

Galileo Galilei

Laatst aangepast op zaterdag, 15 januari 2011 08:07  

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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problem-solving skills every level everyone organization jim womack

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essentialism greg mckeown disciplined pursuit less

Essentialism
The Disciplined Pursuit of Less
Greg McKeown

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