J.W. McGarvey preaches about the assurance of being children of God, emphasizing the importance of knowing our status as God's children for both our eternal happiness and joy in this life. He contrasts the uncertainty and doubt experienced by many believers today with the unwavering confidence of the apostles like Paul, who knew without a doubt their relationship with God. McGarvey urges believers to turn to the Bible to find a solid foundation for their faith, highlighting the need to align their character with the standards set by the Holy Spirit's testimony to confidently claim their identity as children of God.

J.W. McGarvey preaches about the universal promise of the Holy Spirit to Christians of every age and country, emphasizing the indwelling of the Spirit in believers' bodies, making each individual a temple of God. He highlights the importance of recognizing the fruit of the Spirit in one's life as evidence of the Holy Spirit's presence, and the need for active cooperation with the Spirit to bear this fruit. McGarvey also stresses the significance of maintaining the purity and honor of our bodies as temples of God, warning against defilement and destruction, and pointing to the promise of resurrection for believers through the Spirit dwelling in them.

J.W. McGarvey emphasizes the importance of systematic study and preparation for preachers, highlighting the need for experience, wise precepts, and continuous growth through the guidance of both experience and precept. He discusses the methods of studying the Scriptures historically, by books, by topics, and devotionally, stressing the necessity of thorough understanding and systematic study. McGarvey also touches on the study of other books, such as Commentaries and works on the Evidences of Christianity, to enhance preaching and defend the faith. Additionally, he advises on the special preparation for the pulpit, focusing on the purpose of sermons, the importance of heart-power, and the significance of adopting rules while allowing for individual adjustments. Lastly, he advocates for system in study, encouraging young preachers to engage in practical fieldwork, develop heart-power through experience, and adapt to various preaching situations.

J.W. McGarvey preaches about the definitions of receiving the Bible as the word of God and the only rule of faith and practice. He distinguishes between the word of God and the words of God, emphasizing the divine inspiration behind the Bible's contents. McGarvey discusses the narrowest ground of belief, where many believers accept the Bible based on traditional upbringing, and broader grounds of belief, including the credibility of the Bible's historical and prophetic accounts. He delves into the inspiration of the Bible writers, highlighting the fulfillment of prophecies and the endorsement of the Old Testament by Jesus and the Apostles as evidence of divine inspiration.

J.W. McGarvey preaches about the importance of Church Government, focusing on the qualifications and roles of elders within congregations. He addresses the need for elders to possess specific qualifications, such as age, family experience, and teaching ability, in order to effectively lead, protect, and teach the church. McGarvey also discusses the significance of having a plurality of elders in each congregation, emphasizing the importance of faithful discipline and ruling. Furthermore, he explores the role of evangelists within the church, highlighting their distinct duties and the necessity of their work in conjunction with the eldership. Lastly, he stresses the urgency of addressing worldliness and sin within the churches, calling for the removal of unworthy elders, the restoration of active eldership, and the collective effort of the pulpit and press to bring about necessary reforms.

J.W. McGarvey preaches about the profound concept of Redemption from Sin in Christ Jesus, emphasizing the inability to undo past sins and the serious consequences of sin that cannot be escaped. He delves into various shallow explanations for redemption, highlighting the insufficiency of mere education or unconditional forgiveness without addressing the penalty of sin. McGarvey explores the grand problem of redemption, ultimately pointing to the Bible's explanation that through Christ's blood, there is redemption and forgiveness of sins, showcasing God's wisdom and mercy in the scheme of redemption.

J.W. McGarvey preaches about the profound significance of the prints of the nails in Jesus' hands as a symbol of His enduring physical agony and ultimate sacrifice for our redemption. The hymn mentioned reflects on the deep gratitude and praise that will flow from our hearts in heaven as we recognize Jesus by the marks of His suffering. McGarvey emphasizes the importance of partaking in communion to remember and honor Jesus' suffering, uniting with believers worldwide in this sacred act of love and remembrance.