Checkhov's Gun:
• When telling a story, if it's non-essential – don't include it.
"If you say in the 1st chapter that there is a rifle hanging on the wall, in the 2nd or 3rd chapter it absolutely must go off. If it's not going to be fired, it shouldn't be hanging there."
— George Mack (@george__mack) January 16, 2021
from http://twitter.com/george__mack
via IFTTT