A fig tree is mentioned both in a parable in Mark 11 and in a real event in Luke 13. Jesus cursed the real tree on the spot for its lack of fruit; the other tree is granted a three-year reprieve for careful tending, but will be condemned after that if it continues to be unfruitful.
Jesus seems to be distinguishing between unfruitfulness caused by unwillingness, and unfruitfulness caused by poor external conditions.
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 ...