There are known knowns; that is to say there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns- the ones we don’t know we don’t know. (Donald Rumsfeld)
Try saying that at your next teaming.
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Entrées avec l'étiquette planning .
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29 juin 2018 - 12:33
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