In this sermon, the preacher emphasizes the importance of the gospel and its impact on believers. He refers to the apostle Paul's dedication to the gospel and his desire for believers to attain the glory of Jesus Christ. The preacher also mentions Jesus' prayer in John 17, where he prays for believers to be with him and share in his glory. The sermon highlights the challenge for believers to stand firm in the word of God and trust in his plan, even in the face of difficulties and tribulations. The preacher also mentions the future judgment of God and the need for believers to be prepared for that day.