"Of every preacher, however limited his powers, Karl Barth wrote (The Preaching of the Gospel [Westminster, 1961], p. 52): ‘‘He is the one who has been called, he it is who must speak. Let there be no posturing in borrowed plumes"' -- https://www.religion-online.org/article/no-posturing-in-borrowed-plumes/
“We all rely on each other in this work. You can legitimately borrow your neighbor’s tools of art to create; after all, a brush bears no copyright. But you can’t steal their painted canvas and call it your own.” -- Jake Hall