Category: Quotations
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Problem Statement
There are known knowns; 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, 12-February-2002
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Smoothing
If knowledge and foresight are too penetrating and deep, unify them with ease and sincerity.Xun Zi
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Sadness
I do believe that if you haven’t learnt about sadness, you cannot appreciate happiness.Nana Mouskouri