This owner of a "girl empowerment business" who had to transition to the homeschool market has been benefiting a great deal from ambiguity about which meaning of the word "grace" was intended.
Searching on "grace and grit" led me to a Beth Moore talk--nearly 14,000 words long!--that also exploited that ambiguity, although Moore did eventually bring it around to the Christian meaning of the word. Briefly, and without defining it as she did other words in her speech.
This song is haunting, although not directly applicable to my personal experience.
There's an interesting semi-parallel in Revelation 7:17 and 8:1:
"...and God shall wipe all tears from their eyes. And when he had opened the seventh seal, there was silence in heaven about the space of half an hour."
Some years back there were some public comments from famous authors about the Susan in the Narnia books not being present for the Final Battle and what followed. It was framed as bigotry against women and people of average morals.
Neil Gaiman's came in the form of a short story, "The Problem of Susan," which from an excerpt I found is apparently quite vile.
Gaiman has fallen out of public favor as allegations against him have begun to surface.
Two other authors were J. K. Rowling, who ought to know better, and Phillip Pullman, who also writes vile stories, I've been told.
Pastor Douglas Wilson has a lucid, sensitive, and rather long rebuttal to the Problem of Susan; link below.
My own, lesser contribution here, is that C. S. Lewis was a fan of George MacDonald, and MacDonald wrote some vivid portrayals of spiritual devolution. In The Princess and Curdie, Curdie was given the ability to discern which beast a person's moral character was descending into by holding their hand. In ...