Part of a priest's job is writing and delivering a sermon to his flock. This is harder than it sounds, since it requires that he be both a good essayist and a good orator. What's more, the message he chooses to deliver has to be chosen with care... "good thing" he has help there in the form of some meddling authority.
A cleric subject to Pre Approved Sermons either has his sermons pre-written by [...] [tvtropes.org]