(urth) Grand Unified Theory

[Lee Berman]

>Dave Tallman- He teaches like Jesus in New Viron, then goes back
>to the Whorl to lead and teach them as they move on to new worlds. It
>ends with the five-fold blessing of "Good fishing!" as Silk and his
>disciples become fishers of men.

This is the sort interpretation I was expecting to end the series all
along. If we trace the arc of the story back to Severian the apprentice, 
perhaps nothing else would do.