"But, as the passage now presents no hindrance
To the spirit unappeased and peregrine
Between two worlds become much like each other…."
Related obituary:
https://www.nytimes.com/2019/02/15/obituaries/tom-cade-dead.html
Related date:
"as of Feb. 6, 2019" (from a post at 12 AM ET Feb. 7) —
"There is such a thing as a four-dimensional finite affine space."
— Saying adapted from a 1962 young-adult novel by Madeleine L'Engle