Traditional Christianity teaches that two realms exist, and the two realms are those of the world and heaven. The teachings of traditional Christianity would show that the kingdom of heaven and the kingdom of the world are often so vastly different that the two would often appear to be against one another. Many Christians have tried to reconcile the two kingdoms, so both kingdoms would agree upon how to operate.

Traditional Christianity would teach that a person can not have two masters because a person who serves two masters would need to choose the master to give priority to. The teaching of traditional Christianity would thus show that a person must make a decision about what kingdom a person should serve first and foremost. If a person serves the kingdom of the world as the highest priority, then a person could not have the greatest regard for the kingdom of heaven.