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    • 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.

      • 3 months

        The missile knows where it is at all times. It knows this because it knows where it isn’t. By subtracting where it is from where it isn’t, or where it isn’t from where…

        You get the idea

        • 3 months

          You know exactly how Greek fire was made. You just don’t know that you know the exact recipe for the ultimate naval weapon. Yes, you in particular. Tell us.