This sermon, a third part of the series titled "The Glory of Service," discusses the importance of answering God's call to ministry. Pr. Jeff shares a personal anecdote about initially resisting his calling due to comfort and fear, highlighting the challenges and rewards of serving. He emphasizes that this call isn't limited to ordained ministers but extends to all church members, urging active participation in spreading the gospel. Pr. Kern uses scripture and personal experiences to illustrate the need for more people in ministry, especially in the United States. He concludes by encouraging the congregation to reflect on their personal calls to service.