Of course, none of it has anything to do with King Arthur.
Ironic, isn't it?
So may authors over so much time, yet...
... nobody can get to the emet, the truth!
Even the Abbey of San Galgano is off of Strada Provinciale 441.
I figure it's like the stone at the head of the corner, just off the beaten path of the Freedom trail. From Wikipedia (horrible place!):
The Boston Stone is a stone in Boston, Massachusetts. Near — but not on — the Freedom Trail, it is a minor tourist attraction.
Reminds me of poor Tootle, who was lured back onto the tracks by the "well-meaning" town folks with their red flag warnings.
He fell for the promise that if he would stay on the rails no matter what, he could become a "Flyer". But it was a Flyer in name only. He even took that "wise" teaching to the next generation. Sad, how many were lost.
If he'd stayed in the field he could have become a real flying train, like Doc Brown's.
You can't keep a good scientist down.