ay not to achieve something is to be limited by your ambition,
so failure against that ambition by some margin would still be pretty good.

Of course implicit in this is that I am quite happy that there are other
viewpoints, each of which may be more or less useful for particular
purposes. I am interested in understanding these so that I can check whether
the viewpoint I am trying to develop can support a round trip mapping to and
from that viewpoint. 

You can of course incorporate all the viewpoints and t