[MD] ever-changing patterns

[MarshaV]

My attempt at an analogy:

Think of a well-worned path through a meadow as the pattern of
use from an origination to a destination.  There is nothing about 
that pattern experience that is the same from one path-event to 
another path-event.  Everything including the origination, the
destination and every aspect in-between has changed in some 
way.  It is ALL different.  That is what I mean by ever-changing 
patterns, as opposed to being fixed or finite.  




 
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