
Not all things that can be counted count, and not all things that count can be counted.
Albert Einstein
juni
26
2010

Not all things that can be counted count, and not all things that count can be counted.
Albert Einstein
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Beat horses, and they will run faster - for a while. William Edwards Deming |
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De kracht van het piramideprincipe Bij Bol.com of Managementboek |