At this moment, this passage seems particularly relevant for American Christianity.
The church must be reminded that it is not the master or the servant of the state, but rather the conscience of the state. — Martin Luther King, Jr. 
 Martin Luther King, “A Knock at Midnight,” in A Knock at Midnight: Inspiration from the Great Sermons of Reverend Martin Luther King, Jr., ed. Clayborne Carson and Peter Holloran (New York: Intellectual Properties Management in Association with Warner Books, 1998).