Writing the opening lines of a story is a bit like starting to ski at the steepest part of the hill. You must have all your skills under control from the first instant. - Marion Dane Bauer

Worldbuilding is different than setting in my opinion. Setting is a room. A backdrop. It’s scenery. But without good worldbuilding, you can’t have realistic feeling scenery. You can’t have cool, unique backdrops for your story. - Patrick Rothfuss