The central message of this sermon is that worship is not about manipulating God to do something for us, but rather about giving ultimate value and significance to God in our lives. The teacher argues that worship is not a means to an end, but an end in itself, where we ascribe supreme worth to God, recognizing His value above all else. This idea advances the biblical belief that God is worthy of our worship and adoration, and that He desires a personal relationship with us. The takeaway for listeners is that they must align their values with reality and recognize God's supremacy, rather than idolizing other things in life.