Abstract
On 12 February 2002, in response to a question in a news briefing, the United States Secretary of Defence, Donald Rumsfeld, provided us with a cracking explanation of ‘knowing’;
There are known knowns. These are things we know that we know. There are known unknowns. That is to say, there are things that we know we don’t know. But there are also unknown unknowns. There are things we don’t know we don’t know
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Hughes, R., Kinder, A., Cooper, C.L. (2019). To Know or Not to Know. In: The Wellbeing Workout. Palgrave Macmillan, Cham. https://doi.org/10.1007/978-3-319-92552-3_11
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DOI: https://doi.org/10.1007/978-3-319-92552-3_11
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Publisher Name: Palgrave Macmillan, Cham
Print ISBN: 978-3-319-92551-6
Online ISBN: 978-3-319-92552-3
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