Short Story or Novel

I’m currently reading Gene Wolfe’s “Castle of Days” and came across this quote about the difference between an idea for a short story and one for a novel.

“If what interests you most is what’s going to happen, that’s a short story. If it’s the people or the scene, that’s a novel.”

This is one of those neatly packaged clarifications that really help me sort out my own ideas. Thank you, Gene!