Post-Production (continued)

This journal on Oct. 2, the date of death for
the developer of mathematical Braille —

Clicking on the image of St. Peter's Square in that post led to…

Braille, as noted in last midnight's post, is based
on a six-dot cell. For some pure mathematics of
the six-dot cell, see 

Modeling the 21-point plane
with outer automorphisms of S₆

Two quotations that seem relevant —

"When Death tells a story, you really have to listen"
— Cover of The Book Thief

"This is not theology, this is mathematics."
— Steven H. Cullinane, Sept. 22, 2013