We all long for Q.E.D.
This is a ridiculously long post.
Q.E.D. = quod erat demonstrandum (“that which was to be demonstrated”)
A few years after college, while working the night shift at a postal processing facility, a former co-worker came to me and asked if I’d help her son pass geometry.
“He’s failing and he’ll be ineligible,” she told me. “The teacher…

