“Today class, we’ll look at the christian bible’s book of Genesis and its creation myth. We’ll refer back to our science class last week about life on Earth containing Carbon 14, and how it can be used to accurately date living things and how wrong the Genesis is. We’ll be comparing this to other creation myths such as the Greek and Norse versions.”
Start with Short Stories or novellas. A whole story from beginning to end in as short as 3 pages or as many as 30 or so. There are entire books of short stories (anthologies) in every genre you can imagine. You say you don’t have the patience. However, in the time its taken you to read this entire thread, you could have finished a short story. You’ve proven you have the patience.