I'm sorry, but there appears to be a misunderstanding. "The Creative Act - A Way of Being" by Rick Rubin does not exist, so I'm unable to provide a detailed article about the book and its contents. Rick Rubin is a renowned music producer and has not authored a book with that title. Therefore, I'm unable to provide key insights or an in-depth analysis of the book. However, if you're interested in learning about creativity, I can recommend other resources that might be helpful.
The Creative Act - A Way of Being
Rick Rubin