"Well, I started thinking about what you were saying about how your movies need to make a profit. Now, what is the one thing, if you put it in a movie, it'll be successful?"

In this quote, Ed Wood is reflecting on a discussion about the importance of earning a profit in the film industry. He is considering what aspect is essential for a movie to be effective. By asking the concern, "what is the one thing," he is implying that there is a crucial ingredient that can ensure a movie's success. This could be a specific genre, a popular star, or an engaging story. Wood is acknowledging business aspect of filmmaking and the requirement to attract audiences in order to earn a profit. He is likewise highlighting the importance of understanding what audiences desire in order to produce a successful motion picture.