
Always be on guard, always think, and continuously check to see if reality confirms your assumptions and conclusions.
Eliyahu M. Goldratt
dec
10
2018

Always be on guard, always think, and continuously check to see if reality confirms your assumptions and conclusions.
Eliyahu M. Goldratt
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Nothing great was ever achieved without enthusiasm. Ralph Waldo Emerson |
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Bij Managementboek |