George Verwer emphasizes the urgency of prayer and action in the mission field, drawing inspiration from Acts 13 and Matthew 9. He calls upon God to send forth laborers into the harvest, urging believers to become senders and intercessors to reach the remaining 25% of the world that has yet to hear about Jesus. Verwer highlights the importance of mobilizing the church to plant communities of faith among all peoples globally, reinforcing the need for collective effort in fulfilling the Great Commission.