The central message of this sermon is that ministers, including those in full-time Christian work, are fundamentally nothing in themselves because their effectiveness and significance depend entirely on God's sovereign work. This idea challenges the Corinthian church's tendency to elevate individual ministers as rock stars or spiritual celebrities, rather than recognizing Jesus Christ as the true star of the show. The sermon argues that ministers, including Paul and Apollos, are merely vessels through whom faith comes, and their efforts are ultimately meaningless without God's growth and increase. This perspective frees up believers from idolizing human leaders and encourages them to focus on Jesus Christ and God's work in the church.