I have heard it argued from both pulpit and pew that Jesus' words "Give to the emperor the things that are the emperor's" mean that a Christian is duty-bound to love America, right or wrong. I'm sorry, but I cannot agree with that. One Christian writer has said, "The greatest service Christians can render to their country is to become actively concerned about the destiny of the church."
I have also heard it argued that "Give to the emperor the things that are the emperor's, and to God the things that are God's" implies a strict separation of church and state, that Jesus is dividing life into two separate and distinct parts - a spiritual part and a secular, or worldly, part. Dedicated and committed Christians have been arguing for this separation for centuries, and we probably won't settle the issue once and for all today. Their argument has been that with these words Jesus is telling us to obey God in the spiritual realm and to obey the government in everything else. Now, that's a nice, neat little division, and it solves many difficult problems. Politics is politics and religion is religion and never the twain shall meet. Let the church take care of its own business and keep their noses out of social and political issues. That would be fine if it worked. You and I both know that it doesn't. Yes, there are obligations we have to the governing authorities, such as paying taxes, exercising our right to vote, and obeying civil laws. But as followers of Jesus Christ, our ultimate obligation is to "seek first the kingdom of God," and all other obligations have to have a lower priority. There can only be one top priority.