- Simplicity in preaching is of utmost importance to every minister who wishes to be useful to souls, Ryle also gives give guidelines, or best practices, for ministers to attain simplicity in preaching, which include: - Having a clear understanding of the topic to be preached upon, - Using simple or common words that are understandable to the audience, - Using simple sentences, - Being direct, and - Using plenty of illustrations and anecdotes. Ministers or anyone else who has ever been tasked with preaching a sermon will profit from this instructive, simple, and helpful book.