The sermon explores the importance of remembering key principles for both the church and individual believers, drawing from Paul's concluding thoughts to a suffering congregation. It emphasizes recognizing and respecting leaders, listening with discernment, and praying for them, while also advocating for peace, patience, and encouragement within the community. Ultimately, the message centers on God's faithfulness as the source of holiness and complete sanctification, assuring believers that He will reliably keep them blameless until the coming of Christ.