This video is named “How to Write a Memorable Sentence.” Unfortunately it only succeeds in explaining literary terms that aren’t directly useful for a storyteller, such as “anaphora” and “extended parallelism.” It seems to separate the writing process from the storytelling process to the point of hilarity. It’s like trying to explain the success of a Mozart symphony by listing its notes and chords.
I post this here not just for my own amusement. I think one of the greatest things any storyteller can do to learn his craft is to study his own emotional reactions to specific things. If you like something, why do you like it? If you don’t, why not? Sometimes it can be hard to tell why something just doesn’t feel right, but you gain that much more skill if you can recognize a specific reason (or set of reasons).
“What makes a sentence memorable?” is a dumb question to begin with; memorability is not something you can so simply analyze your way through, as if the only variables were the sentence’s words and their position in the sentence. A better question would be: “What makes a sentence work in the context of its story?”