Quote: By three methods we may learn wisdom (attrib Confucius 1893)

[Dan Goncharoff]

Are you sure it wasn't Donald Rumsfeld?

*The Unknown
*As we know,
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.

DanG

>
> FWIW, a version of Persian(?) origin can be found here:
>
> http://goo.gl/7z3Ec
>
> and elsewhere.
>
> I'm not familiar at all with the "Confucian" version. But, when I was
> a first-year student in high school, my English teacher often quoted
> something similar to the "Persian" one, though I don't recall that
> this Jesuit provided a source beyond "Listen and learn!" or some such.
>
>

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