Answer:
The paragraph that will most effectively establish the narrator's point of view is:
I am trying hard to sound like an expert. Yet, I feel like a fraud. The sum total of my knowledge about origami came from a book I bought at a neighbor's garage sale.
This paragraph gives insight into the narrator's thoughts and feelings about teaching origami. They admit to feeling like a fraud, indicating a lack of confidence in their own expertise. This establishes a personal perspective and adds depth to the narrator's point of view.