This sermon delves into the origins of The Salvation Army, tracing back to a pivotal moment in 1878 when the description 'Salvation Army' was first introduced by William Booth, emphasizing the organization's purpose and character. The sermon explores the transition to a military form of government and the adoption of a distinctive uniform, highlighting the significance of music in the army's mission and the establishment of a musical department to enhance its impact.

In this sermon, the importance of music in worship is emphasized. The speaker recounts the story of Joshua and the Levites, who sang before going into battle and witnessed God's victory. The sermon also mentions the songs of Moses, which contained both praise and judgment. The speaker emphasizes the need for songs with meaningful content and encourages believers to sing with the understanding of God's goodness and mercy.

In this sermon, the preacher focuses on the theme of "Old People Say, By the Lord." He mentions that it is important to think about what we believe about Christ and what we say about Him. The preacher emphasizes the love of God and how it never changes, encouraging the listeners to love the Lord in return. He also highlights the importance of knowing and loving Christ, stating that there is no middle ground - we are either saved or lost. The sermon concludes with a reminder to always center our message around the crosswork of Christ when preaching or ministering the gospel.

Horatius Bonar emphasizes the transformative power of God's new things as revealed in Revelation 21:5, highlighting the significance of the new covenant, new man, new way, new song, new commandment, new wine, new Jerusalem, new heavens and earth, and new name. Each of these 'new things' represents a profound shift from the old, offering believers a fresh start and a deeper relationship with God through Christ. Bonar illustrates how these new elements are not just replacements but enhancements that fulfill God's promises and reflect His love and grace. The sermon encourages believers to embrace these new realities and live in the light of their implications for their lives and faith.