If preaching can be a greater joy for myself and my people, who after all have to put up with us preachers, that is a win in my book. And I think preaching by heart can help to accomplish this.
By more intentionally and consistently incorporating the concrete elements of story and metaphor into your preaching, you refresh your language, serve your people, and shed fresh light on the Gospel.
[Nearly] all of us struggle with making the move, as Thomas Long puts it, “from desk to pulpit.” The reason is because our approach to sermon preparation is inadequate.