Nancy wrote "I don't recall the latter though the former is about Dante."

I found the latter.  It was a welcome break from some very involved Math.  

It is in "Reflections on 'Vers Libre'".  I'm using "Selected Prose of T. S.
Eliot." Edited by Frank Kermode, Harcourt Brace and Company, I believe 1975.
Page 35---"There is no escape from metre; there is only mastery."

Rick Seddon
Portales, NM