In this sermon, the preacher emphasizes the urgency of sharing the hope of Christ with the world. He reminds the audience that God has entrusted them with the ministry of reconciliation and empowered them to go forth and make known the glorious hope of salvation. The preacher encourages the listeners not to lose hope despite the challenges and trials they may face in the world. He emphasizes the importance of trusting in the Lord and putting their hope and confidence in Him, as He is the only one who can truly help and sustain them. The preacher also highlights the desperate state of the world, with many people lacking hope and heading towards a lost eternity, and calls on the audience to fulfill their role as ambassadors of Christ by sharing the good news with others.