This sermon emphasizes the importance of expository exaltation in preaching, where the preacher's heart exalts over the truths found in the Bible, making much of God's greatness and beauty. The sermon highlights the need for preaching to be a faithful declaration of the Word, explaining the meaning of Scripture and exalting over its beauty. It stresses the connection between teaching and preaching, where teaching is essential in helping the congregation understand the truths being proclaimed. Ultimately, the goal of preaching is to glorify God by rightly knowing His truth and cherishing His worth in both mind and heart.