Not necessarily. Do whatever works for you.
The advantage of writing out a full manuscript before preaching a sermon (whether or not you take that manuscript into the pulpit) is that writing is the evidence of thought. Writing down everything you intend to say will sharpen your thoughts and force you to be clearer and more precise than you would have been otherwise.
The answer to that question depends on the kind of church a pastor is stepping into.
Different preachers will develop slightly different ways of preparing sermons, which is fine. Do what works for you. That said, here are some steps that should be involved in the preparation of any expositional sermon.
No doubt questions like this must be answered on a case by case basis, but here are seven general areas in which pastors may be called upon to stake their job:
Some people today claim that expositional preaching is irrelevant for postmodern people. “People today need narrative and conversation and dialogue and drama! They don’t need expositional preaching.”
In fact, expositional preaching is particularly relevant for postmodern people:
Isn’t expositional preaching too monological and one-sided? Don’t people better learn through dialogue?9Marks
No, expostional preaching is not the only kind of preaching a pastor should do. But…
Yes. Some of these are more distant historical precedents and some of these are clear examples of expositional preaching—preaching that explains and applies the main point of a biblical text.
A pastor should preach expositionally because God works through God’s word. God speaking is God acting.*
How should you deal with a bad statement of faith, church covenant, or church constitution that you inherit in a new pastorate?9Marks
It depends on your circumstances. But here are four different tactics that you might find helpful.