Faith

Throughout the novel, one idea is repeated several times by members of the Tribulation Force. They say that this mission they are on is a mission of faith. Without this blind belief that God is going to protect and provide for the people, the members of the Tribulation Force would have no reason to believe that they could be successful in what they are hoping to do.

For instance, although Petra is the city of safety, David notes as he walks through the city that will airplanes and modern technology, the city is as exposed as any other city, even with its high rock walls. He realizes that without the divine protection of God, there will be no way to keep the people safe. Tribulation Force workers must also trust that once they get all of the people to Petra, he will provide food for them as he...