
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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Het is niet dat ik zo slim ben; ik blijf alleen langer met vraagstukken bezig. Albert Einstein
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Fantoomgroei
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