The Literary Mercenary
I've seen some terrible shit as an editor. Stories with plot holes big enough to accommodate a longshoreman's forearms, characters so shallow they had "no diving" tattooed on their foreheads, and honest-to-gods villain monologues have all made their way across my desk.
Show, Don't Tell: The Case For Story-Showers Vs. Storytellers
"Show, don't tell" is perhaps the oldest piece of writing advice anyone ever got. It's easy to get so excited by your piece that you forget it though. Don't fall into the trap of dictating to the reader.