In this sermon, the preacher emphasizes the importance of prayer and its connection to evangelism. He highlights the joy that comes from both praying and evangelizing, as they are both works that bring joy and allow us to see God's work in saving souls. The preacher also discusses the theme of union with Christ, which is a major theme in the writings of the apostle Paul. He encourages the listeners to pray with belief, following the gospel way of asking and receiving, and to rejoice in the Lord. The sermon concludes with the preacher expressing his expectation of joy in seeing the oneness of the believers, their blamelessness, and their witness.

John Gill emphasizes that spiritual joy is a fruit of the Spirit, deeply rooted in the believer's relationship with God, rather than in worldly pleasures or achievements. He explains that true joy arises from knowing God, experiencing His love, and understanding the work of Christ, including His incarnation, atonement, and resurrection. Gill encourages believers to rejoice in their covenant relationship with God and the assurance of salvation, which brings profound joy even amidst trials. He highlights that this joy is constant, unspeakable, and ultimately rooted in the eternal promises of God. The preacher calls for a recognition of the sources of joy in the life of a believer, urging them to embrace and cultivate this spiritual joy.

Daniel Steele preaches about the exemplary life and prayers of the apostle Paul, emphasizing the importance of studying the prayers of those who were close to God to imbibe their spirit and climb the ladder of faith. Steele highlights how Paul's prayers were practical, filled with praises, and focused on attainable blessings through the power of the Holy Ghost. He stresses the significance of self-surrender to God and perfect self-sacrifice for the salvation of others, as well as the joy and peace that come through believing in Jesus.